Mobile cranes
Study mode
Question of 367
1. A technical device subject to technical supervision may be operated on the basis of
a) oral or written permission issued by an authorized conservator
b) a valid decision allowing operation issued by the relevant technical supervision authority
c) the CE marking placed on the deviced) a declaration of conformity issued by the manufacturer2. Which of the listed activities does not fall within the responsibilities of the UTB operator
a) performing minor repairs of the device within the scope of their education and skills
b) following the operation instructions regarding the operation of the UTBc) familiarizing themselves with the work plan and the size of the loads being transportedd) all answers are correct3. The terms of maintenance inspections of technical devices
a) are included in the operation instructions of the device
b) are determined by the device conservatorc) are specified in the protocol by the inspector conducting the examinationd) all answers are correct4. Technical supervision is called
a) specific actions defined by law aimed at ensuring the safe operation of technical devices and devices for recovering fuel vapor, as well as actions aimed at ensuring public safety in these areas
b) institutions controlling the technical condition of devicesc) The Office of Technical Supervisiond) UDT, WDT, TDT5. Technical supervision over technical devices is performed by
a) The Office of Technical Supervision and specialized technical supervision units
b) The Office of Technical Supervision and organizations authorized by UDTc) The Office of Technical Supervision and foreign technical supervision unitsd) all answers are correct6. Changing the technical parameters or changing the construction of a technical device is treated as
a) modernization of the technical device
b) repair of the technical devicec) removal of defects and other irregularities of the technical deviced) creation of a new device7. The agreed repair or modernization of technical devices may be performed by
a) the repairer or modernizer who has the authorization issued by the relevant technical supervision authority
b) the operator of the technical device with appropriate experience in repairs or modernizationc) the conservator with appropriate experience in repairs or modernizationd) a competent operator to a small extent8. The Act on technical supervision specifies the following forms of technical supervision
a) total, partial, limited
b) full, limited, simplified
c) full, cyclical, sporadicd) UDT, WDT, TDT9. The decision allowing the operation of a technical device is issued by
a) the conservator after performing an inspection with a positive resultb) the relevant technical supervision authority or the operator of the technical device authorized by the relevant technical supervision authorityc) the relevant technical supervision authority or the public administration authority authorized by the relevant technical supervision authority
d) the relevant technical supervision authority
10. The operator of the technical device may undertake work when
a) the device has a valid decision allowing its operation if required by the relevant regulationsb) has a qualification certificate of the appropriate categoryc) the device has a current positive result of the maintenance inspection
d) all of the above conditions must be met simultaneously
11. The operator of the technical device can take up work when
a) the device has a current entry in the maintenance log confirming the device's efficiencyb) has completed the appropriate position trainingc) the device has a valid decision allowing for operation
d) all of the above conditions must be met simultaneously
12. In the event of non-compliance with the technical supervision regulations by the operator
a) receives a written warningb) receives post-inspection recommendations
c) is subject to a fine or restriction of freedom
d) answers a and b are correct13. In the event of a threat to human life or health, as well as property and the environment, the inspector
a) issues a decision to suspend the operation of the technical device
b) issues a penalty ticketc) formally instructs the operatord) all answers are correct14. In the case of dangerous damage to the technical device or an accident, the operator
a) immediately notifies UDT of the incident
b) informs the device manufacturer of the causes of the incidentc) immediately repairs the device and returns it to further operationd) reports the device for repair15. The qualification certificate for operation can be revoked by
a) the relevant technical supervision authority
b) the operator of the technical devicec) the health and safety inspectord) the National Labor Inspectorate16. Technical devices not subject to technical supervision are
a) cranes with a load capacity of up to 3.2 tb) hoists and winches as well as overhead cranesc) lift trucks and mobile platforms
d) transport slings
17. Technical devices subject to technical supervision are
a) cabin and chair liftsb) storage systems and devices for people with disabilitiesc) freight lifts and ship lifts
d) all answers are correct
18. A dangerous malfunction of a technical device is
a) any defect of the technical deviceb) an unforeseen malfunction, as a result of which the device is suitable for partial operationc) an unforeseen malfunction, as a result of which it is suitable for operation only at reduced parameters
d) an unforeseen malfunction, as a result of which the device is unsuitable for operation or its further operation poses a threat
19. An accident is
a) a sudden event that caused bodily injury or death
b) a sudden event that caused a work interruptionc) a sudden event that results in the exclusion of the technical device from operationd) any defect of the technical device caused by a random reason20. Lifting and transporting people by a technical device intended solely for the transport of loads requires
a) agreement with the relevant technical supervision authority
b) agreement with the supervisorc) agreement with the occupational health and safety serviced) is possible with special caution and under the supervision of an inspector21. The responsibility for ensuring proper service and maintenance of the technical device lies with
a) the operator of the technical device
b) the relevant technical supervision authorityc) the National Labor Inspectorated) the UDT inspector22. The required maintenance inspections mandated by law are performed by
a) a person holding a qualification certificate for maintenanceb) an employee of the authorized service of the device manufacturer (provided they have qualification certificates for maintenance)c) in-house maintenance services
d) answers a and b are correct
23. The maintenance log of the technical device is kept by
a) the UDT inspector in the device's audit bookb) the authorized operatorc) a designated employee of the operator
d) the maintainer of the technical device
24. Acceptance tests are conducted for technical devices
a) within the timeframes consistent with the provisions of the regulation on technical supervision conditions
b) before issuing the first decision allowing for operation
c) after the repair of the technical deviced) after each change of the operator25. Periodic tests are conducted for technical devices under supervision
a) limited
b) full
c) simplifiedd) all answers are correct26. The absence of the conservator during the examination of the technical device requires at least.
a) prior agreement of this fact with the authority of the relevant technical supervision unit
b) submission of a written justification for the absence of the conservatorc) submission of a medical certificate confirming the conservator's inability to workd) all answers are correct27. A candidate for operating a technical device must
a) be at least 18 years old
b) have at least vocational educationc) have at least 1 year of work experienced) all answers are correct28. The operator of the technical device is obliged to stop work when
a) his physical and mental condition on the day of work is inappropriateb) he finds that further operation of the device poses a threatc) the device is malfunctioning
d) all answers are correct
29. The terms of maintenance inspections of the device may be specified
a) in the operating instructions of the deviceb) in the act on technical supervisionc) in the regulation specifying the technical conditions of technical supervision
d) answers a and c are correct
30. The terms of periodic and ad-hoc inspections of the UTB are specified
a) in the act on technical supervision
b) in the regulation specifying the technical conditions of technical supervision
c) in the design documentation of the deviced) in the maintenance log31. The operator of the technical device is obliged to
a) follow the operating instructions regarding the operation of the device
b) follow the operating instructions regarding the maintenance of the devicec) perform repairs of the deviced) all answers are correct32. The technical device can be operated based on
a) the current sticker from the relevant technical supervision authority indicating the date of the next inspectionb) the current entry of the device's conservator in the maintenance log
c) a valid decision allowing operation issued by the relevant technical supervision authority
d) a positive protocol from the periodic or acceptance inspection33. After performing activities on the technical device, the inspector prepares
a) operating instructions for the device
b) decisions and a protocol of the performed activities
c) CE declarations of conformityd) all answers are correct34. The repair and modernization of the technical device is performed by
a) the operator within the scope of their skillsb) the conservator
c) an authorized establishment
d) the operator35. The person directly responsible for the safe operation of the technical device is
a) the operator of the device
b) the manufacturer of the devicec) the workplace health and safety inspectord) the UDT inspector36. Information regarding the rules for the safe operation of the technical device is included in
a) the operating manual of the device
b) the technical supervision actc) the maintenance logd) the protocol from the inspection conducted by the UDT inspector37. As part of the activities before starting work, the operator
a) checks the technical condition of the device through inspectionb) performs static and dynamic testsc) performs operational tests of the device
d) answers a and c are correct
38. Qualification certificates for operating technical devices subject to technical supervision are issued by
a) the training company after a positive result of the verification examb) the health and safety inspector based on the certificate of course completionc) the employer based on the passed exam
d) the relevant technical supervision authority
39. Overloading the UTB during operation
a) is prohibited
b) is permissiblec) is permissible but only up to 125% of the rated loadd) is permissible but only up to 110% of the rated load40. Ad-hoc operational tests are performed, among others,
a) after each fault removal by the maintenance technician
b) after replacing the load cables
c) once a yeard) after an accident on the device41. The duties of the operator are specified in
a) the operation manual of the technical device
b) the maintenance logc) the technical supervision actd) all answers are correct42. Periodic inspections of the technical device are carried out by
a) a conservator with the appropriate qualification certificate
b) an inspector of the relevant technical supervision authority
c) a manufacturer service employeed) the operator43. The unit of technical supervision is
a) The Office of Technical Supervisionb) Military Technical Supervisionc) Transport Technical Supervision
d) all answers are correct
44. Qualification certificates authorizing the operation of technical devices are valid in
a) the Republic of Poland
b) the European Unionc) have no specified area of validityd) Schengen zone countries45. The obligation to use personal protective equipment by operators of technical devices arises from
a) the manufacturer's operation manualb) health and safety regulationsc) internal regulations
d) all answers are correct
46. According to the regulation of the Council of Ministers regarding the types of technical devices subject to technical supervision, the following are subject to technical supervision
a) lifts, cranes, hoists, winches and hoistsb) powered lift trucks with mechanical lifting drive, mobile platformsc) cableway lifts, chairlifts and gondolas
d) all answers are correct
47. The operating instructions may not contain
a) information about the dates and scope of maintenance inspections of technical devicesb) basic parameters and purpose of technical devices
c) dates of technical examinations carried out by the inspection unit
d) information on how to operate the technical device48. The revision book of the device must contain
a) a collection of protocols from examinations carried out by the inspection unit
b) a document in which maintenance inspections are recordedc) the content of current legal actsd) a list of authorized operators49. The decision issued by UDT
a) is not subject to appealb) can be changed by the PIP inspector
c) is subject to the possibility of appeal by the operator
d) each answer is incorrect50. A person who can take the qualification verification exam is one who
a) has submitted an application for qualification verificationb) is over 18 years oldc) has no health contraindications to operate technical devices
d) all answers are correct
51. After the technical inspection with a positive result, the UDT inspector
a) extends the validity of the operator's qualification certificateb) marks the device with a sticker that is permission to use the devicec) informs the user in writing in the maintenance log that they consent to the operation of the device
d) prepares a protocol of the performed activities and issues an administrative decision allowing for operation
52. Qualification certificates
a) are valid indefinitelyb) are time-limited with a validity period dependent on the number of points obtained in the exam
c) are time-limited with a validity period in accordance with the provisions of the regulation on the procedure for checking qualifications
d) are valid for a period of 15 years53. Making modifications to a technical device without agreement with the relevant technical supervision authority
a) is subject to a fine or restriction of freedom
b) is subject to a penalty ticketc) is not subject to punishmentd) all answers are incorrect54. Who allows the operation of a technical device without a valid decision permitting operation
a) is subject to a fine or restriction of freedom
b) is not subject to punishment if no accident occursc) is subject only to a fined) is subject to imprisonment55. The operation manual is
a) a collection of information necessary for the safe operation of the device provided by the manufacturer
b) a collection of recommendations issued by the Technical Supervision Officec) an instruction that must be created by the device userd) all answers are correct56. Qualification certificates for operation are not required
a) if the machine is operated by its owner
b) if all mechanisms of the machine have manual drive
c) if the machine is used for private, non-profit purposesd) from persons over 60 years of age57. A person holding qualification certificates can operate
a) only the devices listed in the scope of the authorization
b) all devices subject to technical supervisionc) other devices subject to technical supervision with the employer's consentd) all UTB with a load capacity of up to 3.2 t58. The operator of a technical device is obliged to
a) refuse to operate the device if the decision allowing the operation of this device has expiredb) always comply with the supervisor's orders regarding the operation of the devicec) adhere to the provisions contained in the operating instructions
d) answers a and c are correct
59. Qualification certificates for operating technical devices are
a) valid in the European Union
b) valid with an identity document
c) indefinited) all answers are correct60. An operator who witnesses an accident is obliged to
a) provide assistance to the victim(s) of the accidentb) secure the scene of the incidentc) notify the supervisor
d) all answers are correct
61. The operator is not allowed to
a) lift loads whose weight he cannot determine
b) check the technical condition of the technical devicec) comply with the provisions contained in the operating instructionsd) perform external inspections of the device62. Forms of technical supervision are
a) full supervision, simplified supervision, limited supervision
b) acceptance testing, periodic testing, and ad-hoc testingc) UDT, TDT, WDTd) all answers are correct63. Lifting people with devices that have been designed and manufactured solely for lifting loads
a) is permissible, after ensuring an appropriate level of safetyb) is prohibited
c) is permissible, after agreeing with the relevant technical supervision authority on the detailed operating conditions
d) is permissible once on a written order from a superior64. Lifting loads using two or more UTB
a) is permissible, provided that the operator develops detailed operating conditions describing organizational and technical activities that minimize risk
b) is always permissible if the load weight does not exceed the sum of the lifting capacities of the devices usedc) is permissible if the load weight does not exceed half the lifting capacity of each of the devices usedd) is never permissible65. Being under a load being lifted is
a) always prohibited
b) allowed for persons controlling the bottom of the load;c) allowed if the safety factor of the slings is not less than 5d) allowed if the safety factor of the slings is not less than 766. Lifting loads over people is
a) allowed provided that written permission is obtained from the person in charge of the transportb) allowed, after ensuring safety factors for slings and gripping devices greater than 10c) allowed provided that people are notified and equipped with personal protective equipment
d) all answers are incorrect
67. Qualification certificates for operating technical devices subject to technical supervision are issued by
a) the owner of the device
b) UDT, TDT, WDT
c) PIPd) all answers are incorrect68. The examination board informs the interested person about the exam result
a) within 7 days after the exam in written form
b) directly after the exam
c) within 14 days after the exam in electronic formd) by registered mail or email after 30 working days from the date of the exam69. The maintenance log should be kept
a) only in paper form
b) in electronic or paper form
c) only in electronic formd) by the operator70. The workplace instruction
a) is always provided along with the operating instructions by the device manufacturerb) is an unwritten collection of customs adopted in the workplace
c) is issued by the employer and contains detailed guidelines regarding health and safety at the workplace
d) does not apply to operators of mobile devices71. After the expiration date of the qualification certificate for operating the technical device, the operator
a) can operate the machine as long as they continue working for the same employerb) can operate the machine as long as they submit an application for the issuance of another certificate
c) can operate the machine only after obtaining a new qualification certificate
d) submits an application for an extension of the validity period of the qualification certificate72. The extension of the validity of the qualification certificate occurs
a) upon a written request from the operator
b) automatically after the expiration date of the certificatec) upon a written notification from the employer of the operatord) after a prior telephone notification73. The lifting capacity of the machine is a parameter of the device directly related to
a) the maximum height of the lifted loadb) the maximum volume of the lifted load
c) the maximum mass of the lifted load
d) the product of the mass and volume of the lifted load74. The net mass of 1000 l of water is
a) 800 kgb) 900 kg
c) 1000 kg
d) 1100 kg75. The mass of a load consisting of 40 packages of 25 kg each is
a) 800 kg
b) 1000 kg
c) 1100 kgd) 900 kg76. The mass of 60 cartons weighing 20 kg each is
a) 800 kgb) 1000 kgc) 1100 kg
d) 1200 kg
77. The mass of the lifted load can be determined based on
a) the collective tag on the transported loadb) calculating considering the specific weight and volumec) transport and warehouse documentation
d) all answers are correct
78. Information regarding the lifting capacity of the device may be included
a) in the operating manualb) on the nameplatec) on the technical device
d) all answers are correct
79. The correct designation of the lifting unit is
a) kg
b) Pac) mthd) mm80. Which of the elements is not part of the hydraulic system of the crane?
a) pump, hydraulic lock, oil filter
b) starter, valve, electric motor
c) manometer, check valve, air ventd) all answers are incorrect81. The controlled check valve (hydraulic lock) in the crane's hydraulic system provides protection against:
a) excessive pressure increase in the hydraulic system
b) the effects of hydraulic hose rupture
c) unauthorized operation of the technical deviced) splitting the flow into individual circuits of the hydraulic system82. What safety valve is present in the hydraulic system of the supports?
a) controlled check valve (hydraulic lock)
b) return valvec) relief valved) safety valve83. Check valves (hydraulic locks) are installed in systems:
a) of the support mechanismb) of the lifting mechanismc) of the outreach change mechanism
d) all answers are correct
84. The element generating pressure in the crane's hydraulic system is:
a) hydraulic motor
b) hydraulic pump
c) compressord) air compressor85. The overflow valve installed in the crane's hydraulic system is designed to:
a) protect against excessive pressure
b) maintain the actuator in a fixed positionc) protect the lifting system from fallingd) be a power supply element for the hydraulic system86. Hydraulic safety elements are:
a) relief valve, check-throttle valves
b) pump, distributor, telescoping actuatorc) rotation motor, zero lock, ball valved) distributor, ball valves, bumpers87. The safety valve in a hydraulic system protects:
a) the hydraulic system and the pump from damage due to pressure increase
b) against exceeding the nominal loadc) against loss of stabilityd) against uncontrolled movement of the crane88. Hydraulic locks installed in the hydraulic systems of mobile cranes:
a) protect the system from the effects of excessive oil pressure increase in hydraulic circuitsb) protect against unauthorized operation - they close access to the working movement distributor
c) protect actuators from the effects of hydraulic hose rupture
d) close access to the operator's cabin of the mobile crane89. Controlled check valves (hydraulic locks):
a) are working elements used to limit dangerous working movements of the craneb) are safety elements whose task is to limit pressure in a given hydraulic system during crane overloadc) are working elements whose task is to block the crane's position during crane downtime with a suspended load
d) are safety elements whose task is to cut off uncontrolled oil leakage from actuators during damage (leakage) of flexible hoses supplying oil to the actuators
90. A safe way to check the operation of the relief valve in cranes is carried out:
a) with a nominal load at a height of about 1/2 of the lifting heightb) with the hydraulic pump turned on, without a load suspended on the hookc) by tilting and holding the lever of one of the mechanisms located in the extreme position
d) answers b and c are correct
91. The hydraulic distributor is installed in the system for:
a) throttling pressure in individual circuitsb) protects the system from excessive pressure increase
c) directs the flow of working fluid to individual circuits
d) protects the pump from damage92. The actuator element in the hydraulic system of the crane is:
a) lifting mechanism actuatorb) hydraulic motorc) telescoping mechanism actuator
d) all answers are correct
93. The element protecting the hydraulic system from excessive pressure increase is:
a) controlled check valveb) throttling valvec) hydraulic distributor
d) relief valve
94. The safety valve in the hydraulic system of the crane:
a) keeps the actuator piston in a fixed positionb) is an element limiting the rated lifting capacity in case of overload
c) protects the hydraulic pump from damage
d) slows down the descent speed of the lifted load in the event of a hydraulic line rupture95. The relief valve in the hydraulic system of the crane, during excessive pressure increase, directs oil to:
a) oil tank
b) outside the hydraulic systemc) free section of the distributord) hydraulic accumulator96. Where are controlled check valves (so-called hydraulic locks) installed?
a) on actuators
b) in the control panel of the support operationc) directly behind the hydraulic pumpd) on the hydraulic distributor97. The criteria and conditions for the correct execution of hydraulic system tests are established by:
a) the manufacturer of the technical device
b) the maintainerc) the operatord) the user98. The density of hydraulic oil at negative temperature:
a) decreases
b) increases
c) temperature has no effect on the density of oild) remains unchanged99. The emergency stop switch is:
a) protected against accidental activationb) placed in a location easily accessible by the operatorc) red in color
d) answers b and c are correct
100. The emergency stop switch disables:
a) the operation of drive mechanismsb) the operation of lifting mechanismsc) the operation of the anemometer
d) answers a and b are correct
101. The rotation mechanism of the crane includes:
a) rotation motor, rotation brake, check valve, control distributor of the rotation mechanism
b) boom, brake, pulley, ropec) rotation motor, safety valve, telescoping actuatord) brake, directional distributor, collar, hydraulic hoses102. The lifting mechanism of the crane includes:
a) rotation motor, rotation brake, check valve, distributor
b) boom, winch brake, pulleys, rope, hook
c) rotation motor, safety valve, telescoping actuatord) drive system, directional distributor, collar, hydraulic hoses103. The overturning moment of the crane increases:
a) with the increase of counterweight mass
b) with the increase of reach
c) when the load mass decreasesd) in weak wind conditions104. In the case where the stabilizing moment is greater than the overturning moment:
a) the crane may lose stabilityb) the maximum lifting capacity of the crane increases
c) the crane maintains stability
d) the crane's boom will rotate105. The stabilizing moment of mobile cranes:
a) is constantb) depends on the spacing of the supportsc) depends on the mass of the counterweight
d) answers b and c are correct
106. The spread of the self-propelled crane supports:
a) increase stability
b) significantly increase lifting heightc) prevent work near excavationsd) decrease stability107. The rotating column of the crane:
a) is used to change the reachb) limits the working area of the cranec) is used for lifting loads
d) allows rotating the boom relative to the vertical axis
108. What is the difference between reach and boom?
a) reach is a technical parameter and boom is a structural element
b) reach and boom refer to the same thingc) reach is a safety element and boom is a structural elementd) boom has a truss structure, while reach has a lattice structure109. Changing the reach can be achieved by:
a) the lifting and lowering mechanism of the boomb) the rotation mechanismc) the telescoping mechanism
d) answers a and c are correct
110. The telescopic boom of the crane:
a) has a mechanical system for changing the reachb) consists of several sectionsc) allows safe work near power lines
d) answers a and b are correct
111. The crane load chart shows the relationship:
a) the mass of the lifted load to wind speed
b) the mass of the lifted load to the reach and lifting height
c) the lifting height of the load to the reachd) the reach to wind speed112. The auxiliary boom of the mobile crane:
a) increases the crane's lifting capacityb) allows operation in strong windsc) has no effect on the crane's operating parameters
d) increases the crane's lifting height
113. The stability of the mobile crane is influenced by:
a) the type and slope of the groundb) the way the supports are set upc) the weight of the load
d) all answers are correct
114. The lifting capacity of the crane changes depending on:
a) the length of the reachb) the type of riggingc) the angle of inclination of the boom
d) all answers are true
115. The presented drawing shows:
a) the fuel level in the tankb) the engine speed
c) the indications of the load limiter
d) the size of the lifted weight
116. The presented drawing specifies the indications:
a) operation of the crane with an additional boomb) lifting heightc) value of the achieved reach
d) answer a and c is correct
117. The presented drawing specifies the indications:
a) defining the length of the boom
b) value of the achieved reachc) minimum distance of the boom from power linesd) value of the support extension
118. The presented graphic symbol specifies:
a) neutral position of the control leversb) engine speed expressed in rpm
c) number of rope strands of the hook block
d) number of rope layers on the drum
119. Which of the symbols specifies the number of rope strands of the hook blocks?
a) A, B
b) A, Cc) Cd) B, C
120. The presented drawing specifies the indications:
a) values of loads carried by individual sections of the boomb) defining the value of the current setting moment
c) degree of extension of individual sections of the boom
d) load limiter
121. The presented drawing indicates:
a) the maximum lifting capacity of the craneb) the current working time of the crane amounting to 21hc) the size of the currently lifted mass
d) the weight of the ballast
122. The presented graphic symbol informs the operator about:
a) the rolling wheels of the crane
b) the possibility of the crane working in full rotation range
c) the activation of the engine starter deviced) all answers are incorrect
123. The presented drawing informs the operator about:
a) the second position of the control lever tilt on a four-point scaleb) the number of rope strands of the hook blockc) the average wind speed
d) the current wind speed
124. The presented drawing informs the operator about:
a) the current lifting height
b) the current weight of the lifted load
c) the maximum lifting capacity of the craned) the weight of the ballast
125. The information displayed on the control panel informs the operator about:
a) the external air temperature
b) the temperature of the coolant
c) the hydraulic oil pressured) the temperature of the hydraulic oil
126. The burning indicator informs the operator about:
a) lack of electrical continuity in the lighting installationb) the activated winch for winding the rope onto the drum
c) the activation of the glow plugs during engine start-up
d) the activation of the telescoping mechanism speed - 1
127. The deflection of the lever in direction 2 (according to the drawing) causes:
a) the activation of the lifting mechanism of the boom
b) the activation of the telescoping mechanism in the direction of "increasing reach"
c) the activation of the rotation mechanism in the direction of "right"d) the activation of the hook lifting mechanism
128. The deflection of the lever in direction 1 (according to the drawing) causes:
a) the activation of the hook lifting mechanism "up"b) the activation of the rotation mechanism in the direction of "to the right"
c) the activation of the rotation mechanism in the direction of "to the left"
d) the activation of the lifting mechanism in the direction of "up"
129. The deflection of the lever in direction 6 (according to the drawing) causes:
a) the activation of the lifting mechanism in the direction of "up"b) the activation of the rotation mechanism in the direction of "to the right"
c) the activation of the lifting mechanism in the direction of "down"
d) the activation of the telescoping mechanism in the direction of "increasing reach"130. The deflection of the lever in direction 7 (according to the drawing) causes:
a) the activation of the hook lifting mechanism
b) the activation of the lowering mechanism of the boom
c) the activation of the rotation mechanism in the direction of "left"d) the activation of the lifting mechanism of the boom
131. The presented drawing informs the operator about:
a) the current leveling of the crane
b) the accuracy of load placementc) the degree of deflection of the control leversd) the degree of deflection of the control lever132. Working with a self-propelled crane with a broken support is:
a) prohibited, in case of detecting a crack, work must be immediately stopped
b) allowed, until the arrival of the technician and confirmation of the crackc) allowed, for cracks not longer than 3 mmd) allowed, as long as the crack occurs only on one support133. Where is the STOP switch located on the crane?
a) at the left rear supportb) behind the operator's cabinc) in the driver's cabin
d) at the control station
134. What parameters are given on the crane's lifting diagram?
a) lifting height, reach, lifting capacity
b) center of gravity of the load, lifting heightc) reach, working moment, angle of rotationd) working moment, lifting height, reach135. The transport lock of the crane's supports is used for:
a) preventing excessive loosening of the ropesb) preventing movement with the crane's elements unfolded
c) preventing the supports from extending while driving the crane
d) preventing unauthorized access136. The synchronous telescoping system of the boom means:
a) all segments of the telescope extend simultaneously and evenly
b) the telescoping boom is operated with the help of an additional hydraulic pump synchronized with the main pumpc) the elements of the telescope extend sequentially, one by oned) answers a and b are correct137. The asynchronous telescoping system of the boom means:
a) the extension of individual sections is controlled by the operator
b) the crane can operate at different levels of extension of individual sectionsc) all segments of the telescope extend simultaneouslyd) answers a and b are correct138. The safety devices used in the hooks of mobile cranes are:
a) load limiter, height limit switch, hook nut safety deviceb) hydraulic lock, lifting mechanism limit switch
c) hook latch, hook nut safety device against unscrewing
d) all answers are correct139. The limit parameters for hook wear are determined by:
a) the conservatorb) the operatorc) the operator
d) the crane/hook manufacturer
140. Unless the manufacturer specifies otherwise, the allowable wear of the crane hook throat is:
a) 5%b) 3%
c) 10%
d) all answers are incorrect141. Unless the manufacturer specifies otherwise, the permissible throat opening of the hook is:
a) 2%
b) 5%
c) 10%d) 15%142. The technical condition of the hook is determined based on:
a) production dateb) number of notches
c) inspections and measurements
d) number of cycles worked143. To regenerate the hook, one can:
a) weld cracked fragmentsb) build up small defectsc) heat and straighten
d) grind down mild burrs
144. The hook card is:
a) a document confirming compliance with the standard
b) a document filled out by the UDT Inspectorc) a document for monitoring the wear of the hookd) a document filled out by the notified body145. The auxiliary boom mounted on some self-propelled cranes is:
a) an additional boom that increases the stability of the craneb) an additional boom used for stabilizing large loadsc) a structural element used to increase the span of supports
d) an additional element of the boom mechanically mounted to increase the length of the main boom
146. The crane support is:
a) a structure used to lift a vehicle during tire replacementb) an element used to support the crane's boomc) an element that allows the crane to operate on unstable ground
d) a structure connected to the base of the crane or vehicle that ensures its stability
147. The load limiter does not protect against:
a) structural overload
b) load swinging
c) loss of stabilityd) lifting a load exceeding the permissible capacity148. Control devices should, after releasing pressure:
a) return to the initial position only after being overridden by the operator
b) automatically return to the initial position
c) remain in the controlled positiond) automatically allow the completion of the controlled movement149. The main difference between a self-propelled crane and a portable crane is that:
a) the self-propelled crane is an integral part of the vehicle, while the portable crane can change its installation location
b) the self-propelled crane has a separate control cabinc) the self-propelled crane has larger technical parameters such as lifting capacity or lifting heightd) portable cranes can be controlled wirelessly while self-propelled ones can only be controlled via cable150. What is the "overturn edge"?
a) a structural element defined by the crane designerb) the outer edge of the crane's basec) an element that protects against the effects of overturning
d) a line defined by the crane's support points
151. The lifting diagram of a crane is:
a) a pictogram indicating the date of the crane's approval for operationb) a protocol from the crane's inspection prepared by the UDT inspectorc) a tester used to check the operation of safety devices
d) a chart or table developed by the crane manufacturer, which shows the relationship between the crane's lifting capacity and the reach value
152. The ropes of self-propelled cranes are made of:
a) 2 main cores, strands, and wiresb) a main core and wires
c) a core, strands, and wires
d) only a core153. The criteria for rope wear include among others:
a) reduction of the outer diameterb) corrosionc) the number of broken wires
d) all answers are correct
154. A broken strand of the crane's rope causes that:
a) the operation of the crane must be immediately stopped
b) it can only operate until the rope is replaced with a new onec) it can only operate on the condition that the remaining strands are not damagedd) it can operate on the condition of reducing the weight of the lifted loads by half155. The permissible number of broken wires in the lifting system ropes is determined by:
a) the UDT inspectorb) the maintenance technician
c) the manufacturer
d) the machinery directive156. In the case of excessive amounts of broken wires in the power line, the operator:
a) may continue working provided that the weight of the lifted loads is reducedb) stops the crane operationc) informs the supervisor about the identified non-compliance
d) answers b and c are correct
157. A self-propelled crane is not a crane from the drawings:
a) 1 and 2b) 1 and 4c) 2 and 3
d) 3 and 4
158. How are hooks secured against falling out of the block?
a) with a Seger ring made of aluminumb) with a Seger ring made of copper
c) with a nut and a cotter pin
d) with a welded connection159. What is the name of the crane element that prevents the hook block from colliding with the boom head?
a) lifting end connector
b) block bumperc) lifting limiterd) head protector160. Which safety devices are not present in self-propelled cranes?
a) limit switches
b) windproof clamps
c) rotation limiterd) lifting limiter161. Which safety devices are not present in self-propelled cranes?
a) relief valve
b) support legs
c) rotation limiterd) limit switch162. The hoist mechanism of self-propelled cranes is built from:
a) motor, brake, clutch, cable drum, gearboxb) motor, clutch with brake, cable drum
c) motor, clutch, brake, rope drum, gearbox
d) motor with brake, rope drum without gearbox163. What safety devices are used in the construction of self-propelled cranes?
a) mechanicalb) electricalc) hydraulic
d) all answers are correct
164. The activation of the limit switch in the upward direction in the crane's lifting mechanism means:
a) end of the rope on the hoist drumb) maximum number of rope layers on the hoist drum
c) the hook block reaching the extreme upper position
d) inability to lower the load165. A properly functioning limit switch of the hook lifting mechanism in the downward direction protects against:
a) loosening of the rope due to the hook falling to the groundb) unwinding of the rope from the drumc) crossing of subsequent layers of the unwinding rope
d) all answers are correct
166. A properly functioning limit switch of the hook lifting mechanism in the upward direction should:
a) disable the telescoping movement of the boom in the direction of reducing the reach
b) disable the telescoping movement of the boom in the direction of increasing the reach
c) disable the lifting mechanism in the upward directiond) answers b and c are correct167. A properly functioning limit switch of the hook lifting mechanism in the upward direction should:
a) disable the lifting mechanism in the upward directionb) disable the telescoping movement of the boom in the direction of increasing the reachc) disable the lowering mechanism of the boom
d) all answers are correct
168. After the limit switch of the hook lifting is activated, the movements are disabled:
a) lowering the boomb) lifting the hookc) extending the telescopic boom
d) all answers are correct
169. Which movements of the crane will be disabled after the activation of the limit switch of the lifting mechanism in the upward direction?
a) the movement of lifting the hook and the telescoping movement of the boom in the direction of reducing the reachb) the movement of lowering the hook and the telescoping movement of the boom in the direction of increasing the reach
c) the movement of lifting the hook and the telescoping movement of the boom in the direction of increasing the reach
d) the movement of lifting the hook and the rotation of the crane170. The limit switch for unwinding the rope from the winch drum is designed to:
a) ensure that an appropriate number of turns of the rope remain on the drum
b) block all movements of the crane that worsen its stabilityc) block the movement of the hook in the upward directiond) block the movement of the hook in the upward direction and the lowering movement of the boom171. A properly functioning load limiter of a crane, at the moment of its overload, causes:
a) the shutdown of the lowering movement of the boomb) the shutdown of the telescoping movement of the boom in the direction of reducing the reachc) the shutdown of the hook lifting mechanism in the upward direction
d) answers a and c are correct
172. A properly functioning load limiter of a crane, at the moment of its overload, causes:
a) the shutdown of the telescoping mechanism movement in the direction of increasing the reach
b) the shutdown of the telescoping mechanism movement in the direction of reducing the reachc) the shutdown of the hook lowering mechanismd) the shutdown of the lifting mechanism movement of the supports173. A properly functioning load limiter of a crane, at the moment of its overload, causes:
a) the shutdown of movements that worsen the stability of the craneb) the activation of signaling informing the operator about the overloadc) allows the activation of movements that improve the stability of the crane
d) all answers are correct
174. Can the operator check the load limiter in a self-propelled crane?
a) no, because it is associated with overloading the technical deviceb) yes, but only in the presence of a safety inspector
c) yes, according to the operating instructions
d) yes, but only in the presence of a superior175. We check the limit switch of the lifting mechanism:
a) with a nominal loadb) with a load close to the nominalc) with a load resulting from the lifting table for a given reach
d) without a load
176. The work of a self-propelled crane during a storm is:
a) permissible, provided that the precipitation does not limit visibility
b) categorically prohibited
c) permissible, provided that written consent is obtained from the operatord) permissible, as long as the maximum wind speed for the given crane is not exceeded177. The minimum temperature, after which it is not possible to work with the crane:
a) depends on the value of the loads being carriedb) is -15°C
c) is specified in the technical parameters of the crane's operation and is indicated in the operating instructions
d) depends solely on the type of hydraulic oil used178. The wind speed, after which working with the crane is prohibited:
a) is 14 m/sb) is 18 m/s
c) is specified in the operating instructions
d) depends on the skills of the operator179. Changing the length of the crane's boom with a load attached to the hook:
a) is not permissible in any caseb) is always permissible
c) is permissible, provided that it is specified in the crane's operating instructions
d) is permissible with the maximum load if the crane is working in the "back" position180. The choice of the appropriate working program for the load limiter may be influenced by:
a) the number of rope strandsb) the type of installed blockc) the configuration and weight of the counterweight of the boom
d) all answers are correct
181. The choice of the appropriate working program of the load limiter may be influenced by:
a) the type of installed additional boomb) the width of the support spreadc) the configuration and weight of the boom counterweight
d) all answers are correct
182. The choice of the appropriate working program of the load limiter may be influenced by:
a) the type of ground on which the crane is set up
b) the width of the support spread
c) the temperature of the hydraulic oild) the pressure in the vehicle tires183. Changing the configuration of the crane by changing the ballast affects:
a) the speed of working movementsb) the length of the boomc) the angle of rotation of the crane
d) the lifting capacity of the crane
184. After changing the weight of the counterweight, the operator should:
a) change the weight of the hook blockb) use a different rope in the lifting mechanism
c) make changes to the parameters of the load limiter
d) turn off and restart the engine185. With an increase in the number of rope strands in the lifting mechanism:
a) the lifting speed decreases
b) the lifting capacity of the crane decreasesc) the reach of the crane increasesd) the lifting speed increases186. Laying pads under crane supports:
a) increases the crane's lifting capacityb) has no impact on the safety of crane operation
c) increases the pressure area exerted by the supports on the ground
d) is prohibited187. The maximum slope of the ground on which the crane is set up must not exceed:
a) 5.5°b) 6°c) 7°
d) the value specified in the operating manual
188. Before setting up the crane in a new workplace, the operator should:
a) familiarize themselves with the type of ground on which the crane will operateb) verify the load-bearing capacity of the groundc) check the workplace for the possibility of manholes and hidden channels in the ground
d) all answers are correct
189. The safe distance for setting up the crane from the edge of the excavation depends on:
a) the depth of the excavation
b) the wind strengthc) appropriate visibilityd) the operator's experience190. The safe distance for setting up the crane from the edge of the excavation depends on:
a) the type of groundb) weather conditionsc) the depth of the excavation
d) answer a and c are correct
191. The positioning of the crane at the edge of the excavation:
a) is possible with the consent of the construction managerb) is possible in light windc) does not affect the safe operation of the crane
d) is permissible provided that a safe distance from the edge of the excavation is maintained
192. Safe distance of the crane from the power line:
a) is constant and amounts to 20 m
b) depends on the voltage of the line
c) decreases with high polesd) depends on the humidity of the air193. What is the minimum safe distance of the crane or load from the outer wires of power lines with a rated voltage of 1 to 15 KV?
a) 3 m
b) 5 m
c) 15 md) 20 m194. What is the minimum safe distance of the crane or load from the outer wires of power lines with a rated voltage of 30 to 110 KV?
a) 3 mb) 10 m
c) 15 m
d) 30 m195. What is the minimum safe distance of the crane or load from the outer wires of power lines with a rated voltage of 15 to 30 KV?
a) 5 m
b) 10 m
c) 15 md) 20 m
196. Based on the presented drawing, indicate the correct measurement of the minimum distance from power lines:
a) dimension Ab) dimension B
c) dimension C
d) dimension D197. Operating a crane near a power line at a distance less than the limit value is?
a) always prohibited
b) allowed provided that its detailed working conditions are agreed with the network operator
c) allowed provided that its detailed working conditions are agreed with UDTd) allowed provided that the crane is operated at reduced working speeds198. During lifting and moving loads, it is unacceptable:
a) moving loads over vehiclesb) moving loads over construction objectsc) moving loads over machines
d) moving loads over people
199. Lifting loads heavier than the permissible lifting capacity is:
a) allowed if the load mass exceeds the nominal lifting capacity by no more than 20%b) allowed if there is no possibility of moving the load by dividing it into smaller partsc) allowed if the lifting time is shorter than the time of a single working cycle
d) prohibited
200. Unless the manufacturer specifies otherwise, the test of hydraulic locks in cranes with direct control should be performed:
a) with the hydraulic pump turned off by tilting the distributor lever
b) during the actuator's operation, observing the valve's operationc) at maximum extension of the actuator by tilting and holding the distributor leverd) during lowering and lifting, check if the pressure in the hydraulic system does not change201. During the unloading of materials from a truck trailer, the operator is obliged to ensure that:
a) the weight of the lifted loads does not exceed the permissible values resulting from the lifting diagramb) the straps securing the load during transport by truck are detachedc) the truck from which the load is being lifted is secured against movement
d) all answers are correct
202. Before starting unloading work, the crane operator is obliged to:
a) familiarize themselves with the size of the loads being liftedb) check whether the additional equipment used is suitable for the transported loadsc) check whether unauthorized persons are present in the crane's work zone
d) all answers are correct
203. In which places is the presence of hook operators prohibited?
a) under a lifted/hanging/raised loadb) in the operator's cabin during the transport of loadsc) on a hanging/raised load
d) all answers are correct
204. Lifting loads with a crane hook without additional equipment (slings) is:
a) prohibitedb) permissible if the size of the hook is appropriate and the hook is non-rotating
c) permissible if the lifted element is equipped with a special transport link
d) permissible on the condition of reducing the lifting capacity by half205. Operating a crane with a hook that does not have a throat safety device is:
a) prohibited
b) permissible at the operator's riskc) permissible on the condition of working at reduced speedsd) permissible at the risk of the person commissioning the transport of the load206. When assessing the technical condition of the crane, before starting work the operator:
a) assesses the condition in accordance with the operating instructionsb) performs overload tests at 125%c) in the case of a negative assessment of the technical condition refuses to start work
d) answers a and c are correct
207. When assessing the technical condition of the crane before starting work the operator:
a) checks the technical condition of the crane's equipmentb) performs a visual assessment of the technical condition of the cranec) performs movement tests without load and with load
d) all answers are correct
208. When assessing the technical condition of the hydraulic system the operator:
a) performs a test of the relief valve operationb) checks the viscosity of the hydraulic oilc) checks the internal and external tightness of the system
d) answers a and c are correct
209. Working with the crane with too low oil level in the hydraulic system may manifest as:
a) "jerky", intermittent movement of the lifting system actuatorsb) failure to perform the required movements of the lifting mechanismc) loud operation of the hydraulic pump
d) all answers are correct
210. "Jerky" movement of the lifting mechanism may be caused by:
a) too low oil level in the hydraulic system
b) excessive corrosion of the piston surfacesc) damaged section of the control distributord) damaged hydraulic line supplying the lifting actuator211. A leak in the crane's hydraulic system may manifest as:
a) external leakageb) uncontrolled dropping of the loadc) uncontrolled sliding of the supports
d) all answers are correct
212. The operator checks the oil level in the hydraulic system:
a) always before starting workb) once a month
c) according to the recommendations in the operating manual
d) according to the recommendations in the periodic inspection report213. Unless the manufacturer specifies otherwise, the maximum allowable value of support sliding during the tightness test is:
a) 10 mm
b) 4 mm
c) 2% of the crane's maximum reachd) 4% of the rated lifting capacity expressed in mm214. When assessing the technical condition of the crane's control panel, the operator checks:
a) correctness of the control button markingsb) correctness of the control lever markingsc) readability of screens and indicators
d) all answers are correct
215. Dangerous movements of the crane that are disabled in case of overload are:
a) lifting the loadb) telescoping - extending the boomc) tilting the boom causing an increase in the crane's reach
d) all answers are correct
216. During the operation of the rotation mechanism, the stability of the crane:
a) is constant because the stability of the crane depends solely on the weight of the lifted loadb) is constant because the stability coefficient depends solely on the crane's reach
c) is variable because the distance of the positioning of the boom system and the load from the tipping edge changes
d) is constant because the stability of the crane depends solely on the weight of the vehicle and the crane217. Immediately after finishing work, the crane operator is obliged to:
a) check the oil level in the engineb) check the temperature of the distributorc) maintain the crane's rope
d) remove the key and secure it from access by unauthorized persons
218. An excessively swaying load can cause:
a) breaking the lifting ropeb) breaking the internal boom rope
c) loss of stability of the crane, as the overturning moment caused by the lateral force of the swaying load increases
d) damage to the crane's hydraulic system219. The information regarding the counterweight mass depending on the specific assembly version of the crane is contained in:
a) maintenance logb) UDT regulations
c) the appropriate lifting capacity table of the crane
d) subject standard220. The crane operator's duty is to:
a) comply with UDT regulationsb) comply with health and safety regulationsc) follow the recommendations of the crane's operating instructions
d) all answers are correct
221. The lifting capacity of the crane is influenced by:
a) the number of strands of the lifting mechanism rope
b) the number of layers of rope on the drum of the lifting mechanismc) the way the hook is attached in the hook blockd) the use of a non-rotating two-legged hook
222. Based on the presented lifting diagram, indicate the correct operating parameters of the crane:
a) operation in full rotation rangeb) maximum lifting capacity 11.4 tc) maximum reach 14.0 m
d) all answers are correct
223. The parameters of the crane's lifting indicated in the presented diagram can be applied when the crane is ballasted with a mass of:
a) 8.5 tb) 4.8 tc) 6.0 t
d) 5.1 t
224. Based on the presented lifting diagram, indicate the maximum load mass that can be transported over a distance of 12 m with a boom length of 39.7 m (boom 46/92/92/92/46%):
a) 3.0 tb) 7.0 t
c) 5.0 t
d) 9.0 t225. Based on the presented lifting diagram, indicate the maximum reach of the crane with a load mass of 10.2 t at a boom length of 29 m (boom 46/46/46/46/46%):
a) 7 mb) 9 mc) 11 m
d) 8 m
226. Based on the presented lifting diagram, indicate the maximum reach of the crane with a load of 5.1 t at a boom length of 32.6 m (reach 92/46/46/46/46%):
a) 12 m
b) 9 mc) 11 md) 8 m227. Based on the presented lifting diagram, indicate the maximum load mass that can be transported over a distance of 10 m at a boom length of 32.6 m (boom 92/46/46/46/46%):
a) 3.0 tb) 7.0 tc) 5.0 t
d) 6.8 t
228. Based on the presented lifting diagram, indicate the correct working parameters of the crane:
a) maximum lifting capacity at a reach of 5 m is 8.7 tb) maximum reach is 14 mc) maximum lifting capacity is achieved on 4 rope strands
d) answers a and c are correct
229. Based on the presented lifting diagram, indicate the correct working parameters of the crane:
a) maximum boom length is 27.3 mb) maximum reach is 10 mc) operation only on the supports
d) all answers are correct
230. Based on the presented lifting diagram, indicate the maximum load mass that can be transported over a distance of 9 m at a boom length of 27.3 m (boom 92/46/46/46%):
a) 2.5 t
b) 2.8 tc) 3.1 td) 3.7 t231. Based on the presented lifting diagram, indicate the maximum load mass that can be transported over a distance of 7 m with a boom length of 20.5 m (boom 0/0/46/92%, 3-part rigging):
a) 4.3 tb) 5.0 t
c) 5.5 t
d) 8.2 t232. Based on the presented lifting diagram, indicate the maximum load mass that can be transported over a distance of 5 m with a boom length of 23.9 m (boom 46/46/46/46%, double rigging):
a) 6.2 t
b) 6.9 t
c) 7.1 td) 7.7 t233. Based on the presented lifting diagram, indicate the maximum reach of the crane with a load mass of 3.8 t at a boom length of 20.5 m (boom 0/0/46/92%):
a) 7 mb) 8 m
c) 9 m
d) 10 m234. Based on the presented lifting diagram, indicate the maximum reach of the crane with a load mass of 3.4 t at a boom length of 20.5 m (boom 0/46/46/46%):
a) 7 mb) 8 m
c) 9 m
d) 10 m235. Based on the presented lifting diagram, indicate the maximum reach of the crane with a load mass of 5.4 t at a boom length of 17.0 m (boom 0/0/46/46%):
a) 5 mb) 6 m
c) 7 m
d) 8 m236. Based on the presented lifting diagram, indicate the maximum reach of the crane with a load of 5.4 t at a boom length of 17.0 m (boom 0/0/46/46%):
a) 8 mb) 9 mc) 10 m
d) all answers are incorrect
237. Based on the presented lifting diagram, indicate the correct operating parameters of the crane:
a) the maximum lifting capacity at a reach of 5 m is 23 t
b) maximum reach 14 m
c) maximum lifting capacity 55 td) answers a and b are correct238. Based on the presented lifting diagram, indicate the correct operating parameters of the crane:
a) maximum lifting capacity 35 tb) maximum reach 30 mc) operation only on supports
d) answers a and c are correct
239. Based on the presented diagram, determine the maximum reach for a load with a maximum weight of 10.7 t:
a) 4 mb) 5 m
c) 8 m
d) 24.8 m240. Based on the presented diagram, determine the maximum reach for a load with a maximum weight of 6 t:
a) 10 mb) 5 m
c) 12 m
d) 30 m241. Based on the presented lifting diagram, indicate the maximum load mass that can be transported over a distance of 10 m:
a) 20.9 tb) 17.0 tc) 6.9 t
d) 8.0 t
242. Based on the presented lifting diagram, indicate the maximum load mass that can be transported over a distance of 14 m:
a) 4.6 tb) 6.2 t
c) 4.7 t
d) 14 t243. Based on the presented lifting diagram, indicate the maximum load mass that can be transported over a distance of 9 m:
a) 9.4 t
b) 9.5 t
c) 35 td) 8.2 t
244. Based on the presented lifting diagram, indicate the correct working parameters of the crane:
a) maximum lifting height 27 mb) maximum reach 20 m
c) maximum lifting capacity of the crane 14 t
d) answer a and c is correct245. Based on the presented lifting diagram, indicate the correct working parameters of the crane:
a) maximum lifting capacity at a reach of 17 m is 3.9 tb) maximum reach is 10 m
c) operation only on supports
d) all answers are correct246. Based on the presented lifting diagram, indicate the maximum load mass that can be transported over a distance of 9 m:
a) 2.2 tb) 3.2 t
c) 3.7 t
d) 14 t247. Based on the presented lifting diagram, indicate the maximum load mass that can be transported over a distance of 7 m:
a) 2.4 tb) 5.5 t
c) 4.8 t
d) 7.8 t248. Based on the presented lifting diagram, indicate the maximum load mass that can be transported over a distance of 8 m:
a) 3.8 tb) 4.6 t
c) 3.9 t
d) 10.9 t249. Based on the presented lifting diagram, indicate the maximum reach of the crane with a load mass of 1.6 t:
a) 10 mb) 11 mc) 12 m
d) 13 m
250. Based on the presented lifting diagram, indicate the maximum reach of the crane with a load mass of 800 kg:
a) 15 mb) 17 m
c) 16 m
d) 18 m251. Based on the presented lifting diagram, indicate the maximum reach of the crane with a load of 1.2 t:
a) 7 mb) 11 mc) 13 m
d) 15 m
252. Based on the presented lifting diagram, indicate the maximum reach of the crane with a load of 15 t:
a) 3 mb) 6 mc) 8 m
d) none of the answers is correct
253. Based on the presented lifting diagram, indicate the correct working parameters of the crane:
a) maximum lifting capacity of the crane 16.1 tb) maximum length of the boom without a luffing jib 35 mc) crane adapted for operation with an auxiliary boom
d) answers a and c are correct
254. Based on the presented lifting diagram, indicate the correct working parameters of the crane:
a) maximum lifting capacity 16.1 tb) maximum reach 10 mc) operation only on supports
d) answers a and c are correct
255. Based on the presented lifting diagram, indicate the maximum load mass that can be transported over a distance of 9 m:
a) 10,590 kg from the rear of the vehicle
b) 8,050 kg from the side of the vehiclec) 16,100 kg from the side of the vehicled) answers a and b are correct256. Based on the presented lifting diagram, indicate the maximum load mass that can be transported over a distance of 10.5 m by a crane with an installed auxiliary boom:
a) 3,900 t
b) 1,980 tc) 3,700 td) 1,840 t257. Based on the presented lifting diagram, indicate the maximum load mass that can be lifted by a crane with an installed auxiliary boom:
a) 8750 kgb) 3700 kg
c) 4120 kg
d) 4380 kg258. Based on the presented lifting diagram, indicate the maximum reach of the crane with a load mass of 16.1 t:
a) 6 m (from the side of the vehicle)b) 6 m (from the rear of the vehicle)c) 6 m (boom fully retracted)
d) all answers are correct
259. Based on the presented lifting diagram, indicate the correct working parameters of the crane:
a) maximum lifting capacity at a reach of 6 m is 87 tb) maximum reach 30 mc) maximum reach 60 m
d) answers a and b are correct
260. Based on the presented lifting diagram, indicate the correct working parameters of the crane:
a) maximum lifting capacity at a reach of 12 m is 50 t
b) operation in the full range of the rotation mechanism
c) maximum lifting height 30 md) all answers are correct261. Based on the presented lifting diagram, indicate the correct operating parameters of the crane:
a) maximum load at a reach of 12 m is 41.5 tb) operation only on supportsc) maximum reach 30.0 m
d) all answers are correct
262. Based on the presented lifting diagram, indicate the maximum load mass that can be transported over a distance of 20 m with a boom length of 30.4 m:
a) 27.9 tb) 41.0 tc) 13.3 t
d) 19.2 t
263. Based on the presented lifting diagram, indicate the maximum load mass that can be transported over a distance of 14 m with a boom length of 60 m (boom 100/100/100/100/100%):
a) 27.9 tb) 41.0 t
c) 13.3 t
d) 19.0 t264. Based on the presented lifting diagram, indicate the maximum load mass that can be transported over a distance of 14 m with a boom length of 39.0 m (boom 0/0/92/92/92%):
a) 27.4 t
b) 41.0 tc) 13.3 td) 19.2 t265. Based on the presented lifting diagram, indicate the maximum reach of the crane with a load mass of 50 t at a boom length of 21.9 m (boom 0/0/0/0/92%):
a) 10 m
b) 14 mc) 11 md) 7 m266. Based on the presented lifting diagram, indicate the maximum reach of the crane with a load of 17.2 t at a boom length of 56.3 m (boom 92/92/92/92/92%):
a) 10 m
b) 14 m
c) 11 md) 7 m267. Based on the presented lifting diagram, indicate the maximum reach of the crane with a load of 34 t at a boom length of 17.5 m (boom 0/0/0/0/46%):
a) 10 m
b) 14 m
c) 11 md) 17.5 m268. Based on the presented lifting diagram, indicate the correct working parameters of the crane:
a) maximum lifting capacity of the crane 97 tb) maximum lifting capacity at a reach of 7 m is 77 tc) maximum lifting capacity at a reach of 9 m is 59 t
d) all answers are correct
269. Based on the presented lifting diagram, indicate the correct working parameters of the crane:
a) maximum reach 30 mb) the boom consists of 5 sectionsc) operation only on supports
d) all answers are correct
270. Based on the presented diagram, determine the maximum reach for a load with a maximum weight of 23.1 t:
a) 21.8 m
b) 18 m
c) 16 md) 12 m271. Based on the presented diagram, determine the maximum reach for a load with a maximum weight of 16.2 t:
a) 26.1 mb) 30.4 m
c) 22 m
d) 20 m272. The maximum lifting capacity of 97 t can be lifted by a crane with a telescopic boom in the configuration:
a) 0 / 0 / 0 / 0 / 0 %
b) 0 / 46 / 0 / 0 / 0 %c) 0 / 0 / 0 / 0 / 46 %d) 92 / 0 / 0 / 0 / 0 %273. Based on the presented lifting diagram, indicate the maximum weight of the load that can be transported over a distance of 28 m:
a) 12.1 t
b) 10.9 t
c) 7.8 td) 67 t274. Based on the presented lifting diagram, indicate the maximum weight of the load that can be transported over a distance of 14 m:
a) 13.3 tb) 27.4 tc) 32.5 t
d) 34.0 t
275. Based on the presented lifting diagram, indicate the correct operating parameters of the crane:
a) maximum lifting height 24 mb) maximum reach 24 mc) maximum lifting capacity 22 t
d) answer a and c is correct
276. Based on the presented lifting diagram, indicate the correct working parameters of the crane:
a) maximum lifting capacity at a reach of 17 m is 1.7 tb) maximum reach is 24 m
c) maximum lifting capacity at a reach of 14 m is 3.7 t
d) all answers are correct277. Based on the presented lifting diagram, indicate the maximum mass of the load that can be transported over a distance of 10 m:
a) 9.0 tb) 5.7 t
c) 6.1 t
d) 5.1 t278. Based on the presented lifting diagram, indicate the maximum mass of the load that can be transported over a distance of 15 m:
a) 4.9 tb) 2.1 tc) 3.0 t
d) 3.3 t
279. Based on the presented lifting diagram, indicate the maximum mass of the load that can be transported over a distance of 20 m:
a) 1.9 t
b) 1.7 t
c) 3.8 td) 2.9 t280. Based on the presented lifting diagram, indicate the maximum reach of the crane with a load of maximum mass 4.5 t:
a) 10 mb) 11 m
c) 12 m
d) 14 m281. Based on the presented lifting diagram, indicate the maximum reach of the crane with a load of maximum mass 2900 kg:
a) 6 mb) 9 mc) 15 m
d) 16 m
282. Based on the presented lifting diagram, indicate the maximum reach of the crane with a load of maximum mass 6100 kg:
a) 7 mb) 9 m
c) 10 m
d) 22 m
283. Based on the presented lifting diagram, indicate the correct working parameters of the crane:
a) counterweight mass 9.7 tb) maximum lifting capacity 50 tc) operation without additional boom
d) all answers are correct
284. Based on the presented lifting diagram, indicate the correct working parameters of the crane:
a) operation with a counterweight of 10.5 tb) operation on wheelsc) maximum reach 40 m
d) maximum lifting capacity at a reach of 14 m is 7.9 t
285. Based on the presented diagram, the maximum reach of the crane loaded with a load of mass 24.5 t (boom 17.1 m) is:
a) 5 m
b) 6 m
c) 8 md) 11 m286. Based on the presented diagram, the maximum reach of the crane loaded with a load of 13.6 t (boom 30.4 m) is:
a) 10 mb) 5 m
c) 6 m
d) 7 m287. According to the presented diagram, the crane with a boom length of 30.4 m can transport a load with a maximum mass over a distance of 10 m:
a) 11,000 kg
b) 10,100 kgc) 8,900 kgd) all answers are correct288. Based on the presented diagram, determine the maximum reach for a load with a maximum mass of 6.6 t:
a) 12 mb) 14 mc) 15 m
d) 16 m
289. Based on the presented lifting diagram, indicate the maximum mass of the load that can be transported over a distance of 20 m:
a) 3.6 tb) 4.1 t
c) 4.5 t
d) 7.8 t290. Based on the presented lifting diagram, indicate the maximum mass of the load that can be transported over a distance of 16 m:
a) 5.4 tb) 5.7 t
c) 6.6 t
d) 7.8 t291. Based on the presented lifting diagram, indicate the maximum load mass that can be transported over a distance of 8 m:
a) 22.8 t
b) 18.6 t
c) 16.0 td) 7.6 t
292. Based on the presented lifting diagram, indicate the correct operating parameters of the crane:
a) operation in full rotation range
b) maximum lifting capacity 50 t
c) maximum reach 40 md) all answers are correct293. Based on the presented diagram, the maximum reach of the crane loaded with a load of 3.8 t (boom 32.5 m) is:
a) 18 mb) 14 m
c) 22 m
d) 28 m294. Based on the presented diagram, the maximum reach of the crane loaded with a load of 15.1 t (boom 25.0 m) is:
a) 18 mb) 14 mc) 12 m
d) 8 m
295. According to the presented diagram, a crane with a boom length of 17.5 m can transport a load with a maximum mass over a distance of 12 m:
a) 12,000 kg
b) 10,100 kg
c) 11,600 kgd) all answers are incorrect296. According to the presented diagram, a crane with a boom length of 25 m can transport a load with a maximum mass over a distance of 4 m:
a) 20 t
b) 24 tc) 18 td) 16 t297. Based on the presented diagram, determine the maximum reach for a load with a mass of 20 t with a boom length greater than 13.5 m:
a) 17.5 mb) 21.3 m
c) 7 m
d) 12 m298. Based on the presented lifting diagram, indicate the correct operating parameters of the crane:
a) maximum lifting capacity 40 t
b) maximum reach 36 m
c) maximum allowable wind speed 14 m/sd) answer a and b is correct
299. The following drawing shows a feature:
a) chain sling
b) rope slingc) strap slingd) specialist traverse
300. The following drawing shows a feature:
a) chain sling
b) rope sling
c) strap slingd) specialist traverse
301. The below illustration shows a feature:
a) chain slingb) rope sling
c) strap sling
d) specialist traverse302. The traverse is used for:
a) lifting special loads, e.g. sheets of metal
b) lifting long loads, where the use of ordinary slings is impossible or difficult
c) lifting loads exceeding the rated capacity of the deviced) all answers are correct
303. The minimum lifting capacity of the hoisting device lifting a load of 24 t using the shown traverse is:
a) 20.0 t
b) 25.2 t
c) 30.0 td) all answers are incorrect304. The abbreviation DOR stands for:
a) permissible working load
b) permissible working load of the rope at a vertex angle alpha of 120°c) allowed manual operationd) technical and operational documentation305. The load on a two-point hook should be suspended:
a) so that both points are equally loaded
b) so that the difference in load between the individual points of the hook does not exceed 30%c) only using a special sling for a two-point hookd) only using chain slings306. The reduction of the DOR of a multi-strand sling is influenced by:
a) The number of strands usedb) additional operational restrictions included in the sling instructionsc) the angle of divergence of the strands
d) all answers are correct
307. Based on the presented drawing, indicate value A for the rope sling:
a) 6.0 tb) 5.0 t
c) 7.0 t
d) 3.5 t
308. Based on the presented drawing, indicate value A for the rope sling:
a) 2.0 tb) 5.0 tc) 7.0 t
d) 10.0 t
309. The drawing shows:
a) nameplate of a two-strand chain slingb) nameplate of a chain sling with a maximum load of 2,500 kgc) nameplate of a chain sling with a maximum load of 3,550 kg
d) answer a and c are correct
310. Based on the presented drawing, indicate value A (angle α) for the two-strand sling:
a) 100°
b) 90°
c) 70°d) 50°
311. Based on the presented drawing, indicate value A (angle α) for a two-legged sling:
a) 120°
b) 90°c) 70°d) 50°
312. Based on the presented drawing, indicate value A (DOR based on angle α) for a two-legged sling:
a) 70%
b) 90%c) 110%d) 50%
313. Based on the presented drawing, indicate value A (DOR based on angle α) for a two-legged sling:
a) 70%b) 90%c) 110%
d) 50%
314. Based on the presented drawing, indicate value A (DOR based on the method of suspension) for a belt sling:
a) 1b) 1.4c) 0.8
d) 2
315. Based on the presented drawing, indicate value A (DOR based on the method of suspension) for a belt sling:
a) 1b) 1.4
c) 0.8
d) 2
316. Based on the presented drawing, indicate value A (DOR based on the suspension method) for the sling:
a) 1
b) 1.4c) 0.8d) 2
317. Indicate which of the methods of suspending the load is correct:
a) Fig A
b) Fig Bc) Both methods are correctd) Both methods are incorrect
318. Indicate which of the methods of suspending the load using a rope sling is correct:
a) Fig A
b) Fig Bc) Both methods are correctd) Both methods are incorrect
319. The following drawing shows:
a) interchangeable equipment mounted to the heads of lifting devicesb) element of the lifting system of hoisting trolleys
c) specialized sling for transporting loads placed on transport pallets
d) all answers are incorrect
320. The following drawing shows:
a) specialized sling for transporting steel and concrete pipes
b) claw grab for unloading scrapc) specialized sling for transporting loads placed on transport palletsd) element of rail clamps
321. The specialized sling shown in the picture is used for:
a) lifting sheets of steel plate
b) lifting steel rodsc) lifting concrete elementsd) lifting plastic elements
322. The specialized sling shown in the picture is used for:
a) lifting concrete elementsb) lifting plastic elements
c) lifting sheets of steel plate
d) lifting steel rods323. The correct selection of the sling is the responsibility of:
a) the hook operatorb) the operator (in situations where the operator is responsible for hooking the load)c) the company's health and safety services
d) answers a and b are correct
324. Slings are subject to periodic inspections at intervals of:
a) every 30 daysb) every 2 monthsc) they are not subject to periodic inspections
d) in accordance with the provisions of the sling operation manual
325. The choice of the type of sling used depends on:
a) the type of material being transportedb) the availability of the sling and the distance between the workplace and its storage locationc) the environmental conditions of the sling's workplace, e.g., temperature, UV radiation, air humidity
d) answers a and c are correct
326. Before starting work, the operator is required to:
a) select a sling with the appropriate WLL based on the weight of the loads being liftedb) select a sling with the appropriate construction based on the type of loads being liftedc) assess the technical condition of the sling in terms of its wear
d) all answers are correct
327. A sling is:
a) an element that enables the transport of a loadb) an element placed between the hoist and the loadc) an element whose weight must be considered when lifting a load
d) all answers are correct
328. Slings can be divided:
a) based on the material from which they are madeb) based on the number of load-bearing ropesc) based on the type of ropes
d) all answers are correct
329. The WLL of a web sling can be determined by:
a) testing the strength with a test weightb) measuring the thickness of the web
c) checking the information on the identifier/label
d) all answers are correct330. Working with a sling without a nameplate:
a) is prohibited
b) is permissible provided that special caution is exercisedc) is permissible provided that the lifting capacity of the slings is determined based on the hook numberd) is permissible with the consent of the inspector331. Chain slings:
a) can only be terminated with a hook
b) can have other terminations than a hook, e.g. a shackle
c) can be used in any ambient temperatured) do not require maintenance332. The maximum allowable apex angle α used in a sling can be:
a) 120°
b) 100°c) there are no restrictions, as it is sufficient to reduce the allowable working load of the slingd) 90°333. The maximum angle β in a sling can be:
a) 120°
b) 60°
c) only angle α is consideredd) there are no restrictions, as it is sufficient to reduce the allowable working load of the sling
334. Indicate which of the methods of suspending a load using a rope sling is incorrect:
a) Fig Ab) Fig B
c) Fig C
d) Fig D
335. Indicate which of the methods of attaching the hook is correct:
a) Fig A
b) Fig Bc) Fig Cd) Fig D
336. Indicate which of the methods of attaching the hook is incorrect:
a) Fig A, B, C
b) Fig A, B, Dc) Fig A, C, Dd) Fig A, B, C, D
337. Based on the presented drawing, indicate value A for a two-leg sling:
a) 120%b) 90%
c) 70%
d) 10%
338. Based on the presented drawing, indicate value A for a two-leg sling:
a) 120%b) 90%c) 70%
d) 50%
339. Unless the manufacturer specifies otherwise, the permissible criteria for hook wear in slings are:
a) opening by 5% and wear of the throat by 10%
b) opening by 20% and wear of the throat by 10%c) opening and wear of the throat by 1%d) the dimensions of the hook do not change during operation340. Unless the manufacturer specifies otherwise, the permissible number of wire breaks in a wire rope sling is:
a) 1% of wires in the strand over a length of 6 diameters and 10% over a length of 30 diametersb) 5 wires in the strand over a length of 6 diameters and 10 over a length of 30 diametersc) 10% of strands
d) all answers are incorrect
341. Which of the following damages disqualify a wire rope sling from further use?
a) break of the strand in the ropeb) local reduction of diameter due to core breakage of the ropec) deformation in the shape of a basket
d) all answers are correct
342. As the apex angle α increases:
a) the permissible working load increases
b) the permissible working load decreases
c) the permissible working load remains unchanged, as the angle only affects the lifting capacity of the hoistd) the apex angle is only significant at the value of alpha=120 degrees343. Angles α and β in relation to slings:
a) are always equal to each otherb) angle α is half of angle β
c) angle β is half of angle α
d) all answers are incorrect344. When lifting elements with sharp edges using a web sling, one should:
a) use special protective pads to secure the sling from sharp edges
b) it is prohibited to use web slingsc) the load should be double wrapped to prevent wear of the slingd) only use polyester web slings345. The value of DOR for a multi-leg sling is:
a) a value dependent on the lifting capacity of the hoist
b) a variable value that depends on the angle between the sling legs
c) dependent on the mass of the transported loadd) a constant value346. Using slings at temperatures above 100°C is:
a) permissible but for a short time
b) permissible as long as the sling instructions allow it
c) prohibitedd) permissible only when using chain slings
347. The illustration below shows:
a) a feature of a four-leg chain sling
b) a feature of a rope sling with a length of 10 mc) a feature of a special slingd) all answers are correct348. The maximum WLL of the presented sling is:
a) 8.4 t
b) 6.0 tc) 10.0 td) 8.0 t349. The maximum WLL of the presented sling at a vertex angle β of 60° is:
a) 10.0 tb) 8.4 t
c) 6.0 t
d) 4.0 t350. The maximum WLL of the presented sling at a vertex angle β of 45° is:
a) 8.4 t
b) 8.0 tc) 6.0 td) 4.0 t
351. Based on the presented drawing, indicate the correct way to attach the hook:
a) Ab) B
c) C
d) D
352. The maximum weight of the lifted load at an angle β of 55° must not exceed:
a) 12000 kgb) 9000 kg
c) 6000 kg
d) all answers are incorrect353. The maximum weight of the lifted load at an angle β of 40° must not exceed:
a) 12000 kg
b) 9000 kg
c) 6000 kgd) all answers are incorrect354. The maximum weight of the lifted load at an angle β of 50° must not exceed:
a) 12000 kgb) 9000 kg
c) 6000 kg
d) all answers are incorrect355. The maximum weight of the lifted load at an angle β of 65° must not exceed:
a) 12000 kgb) 9000 kgc) 6000 kg
d) lifting is not allowed
356. Based on the presented drawing, determine the maximum load weight that can be lifted using a 4-leg sling:
a) 6 t
b) 8.4 tc) 12 td) all answers are incorrect
357. Based on the presented drawing, determine the maximum load weight that can be lifted using a 4-leg sling:
a) 6 t
b) 8.4 t
c) 12 td) answers a and b are correct
358. Based on the presented drawing, determine the maximum load weight that can be lifted using a 4-leg sling:
a) 7 tb) 8.4 tc) 12 t
d) all answers are incorrect
359. Which of the presented special slings can be used for lifting sheets in a vertical position:
a) FIG. 1b) FIG. 2
c) FIG. 3
d) FIG. 4
360. Which of the presented lifting accessories can be used for lifting sheets in a horizontal position:
a) FIG. 1
b) FIG. 2
c) FIG. 3d) FIG. 4
361. Which of the presented lifting equipment can be used to lift I-beams:
a) RYS. 1
b) RYS. 2
c) RYS. 3d) RYS. 4
362. Which of the presented lifting equipment can be used to lift long steel rods:
a) RYS. 1b) RYS. 2c) RYS. 3
d) RYS. 4
363. Which of the presented lifting equipment can be used to lift loads stored on transport pallets:
a) RYS. 1b) RYS. 2
c) RYS. 3
d) RYS. 4
364. Which of the presented lifting equipment can be used to lift a sheet of metal in a horizontal position:
a) RYS. 1 and RYS. 2
b) RYS. 2 and RYS. 3c) RYS. 3 and RYS 4d) RYS.4 and RYS 1
365. In the picture below, the symbol α denotes:
a) the angle of divergence of the sling legs
b) the maximum apex anglec) the value determining the lifting capacity of the slingd) DOR of the sling366. In the picture below, the symbol β means:
a) length of the sling
b) angle of deviation of the slings from the vertical
c) two-legged chain slingd) all answers are incorrect367. Which of the following conditions must a sling for moving a load absolutely meet:
a) the lifting capacity of the sling cannot be less than the weight of the lifted loadb) the length of the sling must ensure that the angle of opening of the sling does not exceed 120°c) the sling must have a readable rated characteristic