Portable cranes

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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 manufacturer

2. 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 correct

3. 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 correct

4. 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, TDT

5. 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 correct

6. Changing the technical parameters or changing the construction of a technical device is considered 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 device

7. The agreed repair or modernization of technical devices can 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 who has appropriate experience in repairs or modernizationc) the conservator who has appropriate experience in repairs or modernizationd) a competent operator to a small extent

8. 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, TDT

9. 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 may undertake 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 correct

13. In the event of a threat to human life or health, as well as property and the environment, the inspector

a) issues a decision suspending the operation of the technical device

b) issues a penalty ticketc) formally instructs the operatord) all answers are correct

14. 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 repair

15. The qualification certificate for operation may be revoked by

a) the authority of the relevant technical supervision unit

b) the operator of the technical devicec) the health and safety inspectord) the National Labor Inspectorate

16. 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 under reduced parameters

d) an unforeseen malfunction, as a result of which the device is not suitable 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 cause

20. 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 health and safety serviced) is possible with special caution and under the supervision of an inspector

21. 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 inspector

22. 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 operator

25. Periodic tests are conducted for technical devices under supervision

a) limited

b) full

c) simplifiedd) all answers are correct

26. 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 correct

27. A candidate for operating the 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 correct

28. 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 operation manual of the deviceb) in the act on technical supervisionc) in the regulation specifying the technical supervision conditions

d) answers a and c are correct

30. The terms of periodic and extraordinary inspections of the UTB are specified

a) in the act on technical supervision

b) in the regulation specifying the technical supervision conditions

c) in the design documentation of the deviced) in the maintenance log

31. 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 correct

32. 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 inspection

33. 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 correct

34. 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 operator

35. 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 inspector

36. 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 inspector

37. 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 load

40. 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 device

41. 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 correct

42. Periodic inspections of the technical device are carried out by

a) a conservator with the appropriate qualification certificate

b) an inspector from the relevant technical supervision authority

c) a manufacturer service employeed) the operator

43. The technical supervision unit 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 countries

45. 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 company 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, cabin conveyors and chairlifts

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 device

48. 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 operators

49. 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 incorrect

50. 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 years

53. Making modifications to a technical device without agreement with the competent 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 incorrect

54. 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 a penalty for importation

55. 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 Office of Technical Supervisionc) an instruction that must be created by the user of the deviced) all answers are correct

56. No qualifications are required to operate

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 age

57. A person with qualifications 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 t

58. The obligation of the operator of a technical device is

a) to refuse to operate the device if the decision allowing the operation of this device has expiredb) to always comply with the supervisor's orders regarding the operation of the devicec) to follow the instructions contained in the operating manual

d) answers a and c are correct

59. The qualification certificate for operating technical devices is

a) valid in the European Union

b) valid with an identity document

c) indefinited) all answers are correct

60. 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 weights 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 device

62. 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 correct

63. 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 superior

64. 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 permissible

65. 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 7

66. 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 incorrect

68. The examination board informs the interested person about the exam result

a) within 7 days after the exam in written form

b) immediately 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 exam

69. The maintenance log should be kept

a) only in paper form

b) in electronic or paper form

c) only in electronic formd) by the operator

70. The workplace instruction

a) is always provided along with the operating instructions by the device manufacturerb) constitutes 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 devices

71. 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 certificate

72. 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 notification

73. 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 load

74. The net mass of 1000 l of water is approximately

a) 800 kgb) 900 kg

c) 1000 kg

d) 1100 kg

75. The mass of a load consisting of 40 packages of 25 kg each is

a) 800 kg

b) 1000 kg

c) 1100 kgd) 900 kg

76. 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) by 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 definition of the lifting unit is

a) kg

b) Pac) mthd) mm

80. The parameters of the crane include

a) nominal lifting capacityb) lifting heightc) speed of working movements

d) all answers are correct

81. The hydraulic lock (controlled check valve) 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) the effects of sudden hydraulic pump shutdownd) dividing the flow into individual circuits of the hydraulic system

82. What safety valve is present in the hydraulic system of the supports?

a) controlled check valve (hydraulic lock)

b) return valvec) relief valved) safety valve

83. Controlled check valves (hydraulic locks) are installed in systems

a) of spreading supportsb) of the lifting mechanismc) of the outreach changing 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 compressor

85. The overflow valve installed in the hydraulic system of cranes is designed to

a) maintain constant pressure in the hydraulic system

b) keep the actuator in a fixed positionc) protect the lifting system from fallingd) supply the hydraulic system

86. Hydraulic safety elements are

a) relief valve, check-throttle valves

b) pump, distributor, telescoping actuatorc) rotation motor, zero lock, ball valved) distributor, ball valves, bumpers

87. The safety valve in the 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 crane

88. Hydraulic locks (controlled check valves) installed in the hydraulic systems of loading cranes

a) protect the system from the effects of excessive oil pressure increase in hydraulic circuitsb) protect against unauthorized operation - close access to the working movement distributor

c) protect actuators from the effects of hydraulic hose rupture

d) close access to the cabin of the mobile crane operator

89. So-called hydraulic locks (controlled check valves)

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. The hydraulic distributor is installed in the system for

a) throttling pressure in individual circuitsb) protecting the system from excessive pressure increase

c) directing the flow of working fluid to individual circuits

d) all answers are incorrect

91. The executive element in the hydraulic system of a crane is

a) lifting mechanism actuatorb) hydraulic motorc) telescoping mechanism actuator

d) all answers are correct

92. The element protecting the hydraulic system from excessive pressure is

a) hydraulic lockb) throttle valvec) hydraulic distributor

d) relief valve

93. Control of the distributor in the hydraulic system of a crane can be implemented in a way that is

a) indirectb) directc) mixed

d) all answers are correct

94. The safety valve in the hydraulic system of a crane

a) keeps the actuator piston in a fixed positionb) is an element limiting the lifting capacity

c) protects the hydraulic pump from damage

d) limits the speed of lowering the lifted load during a hydraulic hose rupture

95. Which valve in the hydraulic system of a crane can be integrated with the actuator?

a) throttle valveb) hydraulic lockc) relief valve

d) answers a and b are correct

96. The overflow valve in the hydraulic system of the crane directs oil during excessive pressure increase

a) back to the oil tank

b) outside the crane (this is an emergency situation)c) to another section of the distributord) answers a and b are correct

97. Where are the controlled check valves (locks) located?

a) on the actuators

b) in the control panelc) at the pumpd) on the flexible hoses

98. The emergency stop safety switch is

a) protected against accidental activationb) located close to the operator's positionc) red in color

d) answers b and c are correct

99. Where is the emergency stop safety switch located in the loading crane?

a) at the left rear supportb) behind the operator's cabinc) in the driver's cabin

d) at the control station

100. The rotation mechanism of the crane includes

a) rotation motor, rotation brake, check throttle valve, control distributor for the rotation mechanism

b) boom, brake, pulley, ropec) rotation motor, safety valve, telescoping actuatord) brake, directional distributor, collar, hydraulic hoses

101. The overturning moment of the crane increases

a) with the increase in counterweight mass

b) with the length of the boom

c) when the load mass decreasesd) in weak wind

102. In the case where the stabilizing moment is greater than the overturning moment

a) the crane may lose stabilityb) the lifting capacity of the crane increases

c) the crane maintains stability

d) the boom of the crane will rotate

103. The reach of the loading crane

a) is constantb) depends on the spacing of the supportsc) decreases with the increase in load mass

d) answers b and c are correct

104. The deployed supports of the loading crane

a) increase its stability

b) significantly increase the lifting heightc) prevent work near excavationsd) decrease stability

105. The reach of the crane is the horizontal distance between the attachment point of the gripping device on the boom and

a) the support of the craneb) the outer outline of the vehicle

c) the axis of rotation of the crane column

d) answers b and c are correct

106. 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 is truss and reach is lattice

107. The suspension of the reach can be realized by

a) the mechanism of raising and lowering the boomb) the rotation mechanismc) the telescoping mechanism

d) answers a and c are correct

108. 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

109. The crane load chart shows the relationship

a) between the mass of the lifted load and wind speed

b) between the mass of the lifted load, reach, and lifting height

c) between the lifting height of the load and reachd) between reach and wind speed

110. The auxiliary boom of the loading crane

a) increases the crane's lifting capacityb) allows work in strong winds

c) increases the crane's reach

d) none of the above answers are correct

111. The stability of the loading crane is influenced by

a) the type and slope of the groundb) the way the supports are arrangedc) the weight of the load

d) all answers are correct

112. We deal with the overload of the crane's load-bearing structure in the case of

a) exceeding the permissible load for a given reach

b) reducing the reach beyond the permissible reach for a given loadc) exceeding the permissible angle of rotation of the craned) exceeding the permissible angle of inclination of the boom

113. The presented drawing shows

a) the fuel level in the tankb) the engine speed

c) the indications of the load limiter

d) the amount of lifted weight

114. The presented drawing specifies the indications for

a) the crane's boom with a manual telescoping system

b) the lifting heightc) the value of the achieved reachd) Answers a and c are correct

115. The presented drawing specifies the indications

a) determining the length of the boomb) the value of the achieved reachc) the minimum distance of the boom from the power lines

d) the value of the support extension

116. The presented drawing informs the operator about

a) 2 positions of the control lever from a 4-degree scale,b) the number of rope strands of the hook blockc) the average wind speed

d) the current wind speed

117. The presented graphic symbol concerns

a) the external air temperatureb) the load value of the crane's counterweight

c) the maximum lifting capacity

d) the hydraulic oil temperature

118. Deflection of the lever towards C (according to the drawing) causes

a) activation of the lifting mechanism of the boom

b) activation of the telescoping mechanism in the direction of "increasing reach"

c) activation of the rotation mechanism in the direction of "right"d) activation of the hook lifting mechanism

119. Deflection of the lever towards B (according to the drawing) causes

a) activation of the lifting mechanism of the telescopic boom

b) activation of the telescoping mechanism in the direction of "increasing reach"c) activation of the rotation mechanism in the direction of "right"d) activation of the lowering mechanism of the main boom

120. Deflection of the lever towards C (according to the drawing) causes

a) activation of the lifting mechanism in the direction of "up"b) activation of the rotation mechanism in the direction of "to the right"

c) closing of the gripper

d) activation of the telescoping mechanism in the direction of "increasing reach"

121. The presented graphic symbol concerns

a) the description of the control lever of the telescopic boom lifting mechanismb) the description of the control lever of the rotation mechanism

c) the description of the control lever of the main boom lifting mechanism

d) the activation of the support lowering mechanism

122. The presented graphic symbol concerns

a) the description of the control lever of the telescopic boom lifting mechanism

b) the description of the control lever of the telescoping mechanism

c) the description of the control lever of the main boom lifting mechanismd) the activation of the support lowering mechanism

123. 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 lever

124. Working with a mobile 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) it is possible to work with one broken support

125. What data does the load limiter read?

a) the number of extended boom sections, counterweight, wind speed,b) pressure in the hydraulic system, pressure in the tiresc) the amount of fuel in the tank, the amount of oil in the hydraulic system

d) the angle of deflection and the length of the boom, the weight of the load, the spacing of the supports

126. The transport lock of the crane supports is used for

a) preventing excessive spreading of the supportsb) preventing movement with the crane's elements unfolded

c) preventing the supports from extending during crane movement

d) preventing unauthorized access

127. Direct control is

a) control in which the operator sees directly the entire path of the transported loadb) control that takes place using buttonsc) when the crane is controlled remotely (wirelessly)

d) control where the operator controls levers mechanically connected directly to the distributor

128. Indirect control is

a) control when the operator does not see the lifted load and relies on the cooperation of a signalmanb) control takes place using levers mechanically connected via cables to the distributorc) control from the crane cabin

d) control in which the operator controls joysticks or buttons affecting the distributor via an electrical or hydraulic control circuit

129. A 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 and individuallyd) answers a and b are correct

130. An 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 sections

c) all segments of the telescope extend simultaneouslyd) answers a and b are correct

131. The safety devices used in crane hooks are

a) load limiter, height limit switch, hook nut safety deviceb) hydraulic locks, limit switches of the lifting mechanism

c) hook latch, hook nut safety device against unscrewing

d) all answers are correct

132. The limiting parameters for hook wear are determined by

a) conservatorb) operatorc) operator

d) crane manufacturer

133. Unless the manufacturer specifies otherwise, the allowable wear of the crane hook throat is

a) 5%b) 3%

c) 10%

d) all answers are incorrect

134. Unless the manufacturer specifies otherwise, the allowable opening of the hook throat is

a) 2%

b) 5%

c) 10%d) 15%

135. The technical condition of the hook is determined based on

a) production dateb) number of notches

c) inspections and measurements

d) number of cycles worked

136. In order to regenerate the hook we can

a) weld the broken fragmentsb) build up small defectsc) heat and straighten,

d) grind down mild burrs

137. The hook card is

a) a document confirming compliance with the standardb) a document filled out by the UDT Inspector

c) a document for monitoring the wear of the hook

d) a document filled out by the manufacturer

138. The auxiliary boom mounted on some 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 boom

139. The crane support is

a) a structure used to lift the vehicle during levelingb) an element used to support the crane's boomc) an element that enables the crane to operate on soft ground

d) an auxiliary structure connected to the base of the crane or vehicle that ensures its stability

140. The load limiter does not protect against

a) overload of the structure

b) swinging of the load

c) the risk of losing stabilityd) dangerous movement of the load

141. Control devices should

a) return to the starting position only after being overridden by the operator

b) automatically return to the starting position

c) remain in the controlled positiond) allow the completion of the controlled movement

142. Criteria for rope wear include among others

a) reduction of the outer diameterb) corrosionc) number of broken wires

d) all answers are correct

143. Reduction of the outer diameter of the lifting rope may be caused by

a) damage to the core of the rope

b) wear of the outer surfacec) squeezing of the strandd) all answers are correct

144. Cargo cranes can be installed on a chassis

a) wheeledb) trackedc) automotive

d) all answers are correct

145. According to the presented diagram, the telescopic boom of the crane consists of

a) 2 sections

b) 3 sections

c) 4 sectionsd) 5 sections

146. The elements of the hook's construction are

a) grip and clawb) base and eyec) rod and eye

d) shaft and throat

147. The person operating the crane with a basket for lifting people mounted directly to the boom (according to the guidelines in the operating manual) can be someone who

a) has qualifications to operate mobile platforms

b) has qualifications to operate portable cranes

c) has qualifications to operate forklifts with an operator lifted along with the loadd) has qualifications to operate passenger lifts

148. Based on the presented drawing, determine which dangerous movements will be disconnected in the event of the load limiter being activated

a) E, F

b) A, D

c) C, Bd) F, D

149. Based on the presented drawing, determine which dangerous movements will be disconnected in the event of the load limiter being activated

a) F, D, Bb) A, B, C

c) E, C, B

d) all boom movements

150. Controlling the movement of the crane's supports with a load suspended on the crane's hook is

a) allowed within a small correction of the chassis tilt

b) absolutely prohibited

c) prohibited but only for "tilting" supportsd) always allowed because the supports have hydraulic locks

151. How is load control implemented in mobile cranes

a) exclusively through a relief valveb) exclusively through an electronic systemc) exclusively through locking control levers

d) according to the manufacturer's instructions for the crane

152. Unless the manufacturer specifies otherwise, the load limiter should activate when the load mass exceeds

a) 100% of the lifting capacity at the given operating parameters

b) 90% of the lifting capacity at the given operating parametersc) 80% of the lifting capacity at the given operating parametersd) none of the above answers is correct

153. The wind speed, after which the operation of the mobile crane is prohibited

a) is 14.8 m/sb) is 12.5 m/s

c) this is specified in the operating instructions

d) wind speed does not affect the operation of the loading crane

154. The maximum slope of the ground on which the crane is set up must not exceed

a) a value of 3°b) a value of 3 %

c) a value specified in the operating manual

d) there are no clear guidelines

155. 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) check the load-bearing capacity of the groundc) check the workplace for the possibility of manholes and drainage channels

d) all answers are correct

156. 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) the appropriate visibilityd) all answers are correct

157. Before starting unloading work, the crane operator is obliged to

a) familiarize themselves with the size of the loads being liftedb) check if the additional equipment used is suitable for the transported loadsc) check the qualifications of the driver delivering the loads

d) answers a and b are correct

158. When assessing the technical condition of the crane before starting work, the operator

a) performs overload testsb) in case of a negative assessment of the technical condition, refuses to start work

c) answers a and c are correct

159. When assessing the technical condition of the crane before starting work, the operator

a) checks the condition of the crane's equipmentb) performs a visual assessment of the crane's technical conditionc) performs movement tests without and with load

d) all answers are correct

160. When assessing the technical condition of the hydraulic system, the operator

a) checks the level of hydraulic oilb) checks the viscosity of the hydraulic oilc) checks the internal and external tightness of the system

d) answers a and c are correct

161. A leak in the hydraulic system of cranes may manifest as

a) external leakageb) uncontrolled dropping of the loadc) lack of clear tightness criteria

d) answers a and b are correct

162. The oil level in the hydraulic system is checked by the operator

a) always before starting work

b) once a monthc) according to the recommendations in the operating manuald) according to the recommendations in the periodic inspection protocol

163. Unless the manufacturer specifies otherwise, the internal tightness test of the hydraulic system is performed

a) always with a load of 1000kgb) at a reach of no less than 3 m

c) the weight of the load and its distance are determined based on the lifting diagram

d) at a height of at least 4 m

164. Telescoping of the boom system with a suspended load is

a) allowed as long as such a situation is provided for by the manufacturer of the technical device

b) prohibitedc) allowed but with a load not exceeding 50% of the rated lifting capacityd) answers a and c are correct

165. During the operation of the rotation mechanism, the stability of the crane

a) is unchanged because the stability of the crane depends solely on the weight of the lifted loadb) is unchanged because the stability factor depends solely on the reach of the crane

c) changes because the distance of the boom system and the load from the tipping edge changes

d) is unchanged because the stability of the crane depends solely on the weight of the vehicle and the crane

166. Unless the manufacturer specifies otherwise, the effectiveness of the operation of the controlled check valves (hydraulic locks) of the crane should be checked

a) without load

b) with an overload of 125%c) with nominal loadd) with an overload of 110%

167. The parameters of the crane include

a) nominal lifting capacityb) lifting heightc) working movement speed

d) all answers are correct

168. Immediately after finishing work, the operator of the crane is obliged to

a) check the oil level in the engineb) check the temperature of the distributorsc) service the crane

d) remove the key and secure it against use by unauthorized persons

169. An excessively swaying load can cause

a) the load to be released from the slingsb) loss of stability, as the overturning moment caused by the lateral force of the swaying load increasesc) damage to the boom

d) all answers are correct

170. A safe way to check the operation of the overflow valve in loading cranes with direct control is carried out

a) with a nominal load at a height of about 1/2 of the lifting heightb) with the engine running without load

c) by tilting and holding the lever of the given mechanism until the actuator reaches the extreme position

d) answers b and c are correct

171. The criteria and conditions for the correct execution of hydraulic system tests are established by

a) the manufacturer of the technical device

b) the conservatorc) the operatord) there are no clear guidelines

172. Based on the presented diagram, determine at what outreach the load limiter of the crane marked 600 T with a suspended load of 700 kg will activate

a) 8 mb) 9 m

c) 7 m

d) 11 m

173. Based on the presented diagram, determine at what outreach the load limiter of the crane with a suspended load of 3320 kg will activate

a) 8.5 m

b) 9.5 mc) 10 md) 7 m

174. Can the operator check the load limiter in a mobile crane?

a) no, because it involves overloading the machineb) 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 supervisor

175. Operation of the crane without supports

a) is prohibited in every case

b) is permissible as long as the manufacturer has anticipated such a situation

c) depends on the degree of loading of the cargo boxd) answers b and c are correct

176. Working with a crane during a storm with lightning is

a) permissible, provided that precipitation does not limit visibility

b) not permissible

c) permissible, provided that written consent is granted by the operatord) permissible at the sole responsibility of the operator

177. The minimum temperature after which it is not possible to work with a crane

a) depends on the weight of the loads being liftedb) is -15 °C

c) is specified in the technical parameters of crane operation and is indicated in the operating instructions

d) depends on the type (viscosity) of hydraulic oil

178. The permissible maximum wind speed at which it is safe to work with a crane

a) is 14 m/s,b) is 12.5 m/s,

c) is specified in the operating instructions

d) depends on the skills of the operator

179. The choice of the appropriate working program for the load limiter in the crane may be influenced by

a) the type of installed additional boomb) the rotational speed of the power supply motorc) the degree of extension of the crane's supports

d) answers a and c are correct

180. Laying pads under the crane's supports

a) increases the safety of crane operationb) has no effect on the safety of crane operationc) increases the pressure area exerted by the supports on the ground

d) answers a and c are correct

181. Supports under the supports are not used

a) on soft groundb) when working with a wheeled crane

c) on hard ground

d) none of the above answers is correct

182. Due to the lack of sufficient space to spread the supports, the operator of the crane may

a) spread the supports only on the side of the load being lifted

b) proceed with work with special cautionc) limit the weight of the lifted loadd) all answers are incorrect

183. The crane supports should be set up

a) only when the crane will be lifting loads at maximum reach or when the ground under the crane is unstableb) only when the ground under the crane is unstable and the crane will be working with an auxiliary boomc) according to the possessed competencies with the possibility of adjusting the degree of their extension as the load on the boom increases or decreases

d) according to the guidelines contained in the crane operation manual without the possibility of adjusting them during ongoing loading operations

184. Based on the presented drawing, indicate the correct measurement of the minimum distance from the excavation

a) A

b) Bc) Cd) D

185. The safe distance for setting up the crane from the edge of the excavation depends on

a) the angle of inclination of the crane boomb) wind strengthc) weather conditions

d) the depth of the excavation

186. The positioning of the crane at the edge of an unprotected 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 is maintained

187. Safe distance of the crane from the power line

a) is fixed and is 20 m

b) depends on the voltage of the line

c) decreases with high polesd) depends on the humidity of the air

188. The applicable minimum distances from power lines result from

a) the operation manual of the technical deviceb) DT regulationsc) internal company regulations

d) separate national regulations

189. What is the safe distance of the crane or load from the outer conductors of power lines with a rated voltage from 1 kV to 15 kV

a) 3mb) 15m

c) 5m

d) 20m

190. What is the safe distance of the crane or load from the outer conductors of power lines with a rated voltage above 110 kV

a) 10mb) 15mc) 5m

d) 30m

191. Based on the presented drawing, indicate the correct measurement of the minimum distance from power lines

a) A

b) B

c) Cd) D

192. The operation of the crane near the power line at a distance less than the permissible value is

a) allowed provided that its detailed working conditions are agreed with the power line operator

b) allowed provided that its detailed working conditions are agreed with UDTc) allowed provided that the crane is operated at reduced working speeds and within a limited range

193. The permissible distance of crane operation from the overhead power line is measured

a) from the line horizontally to the axis of rotation of the crane

b) from the line horizontally to the fully extended boom with the suspended load

c) from the line horizontally to the cabin of the crane operatord) from the line diagonally to the fully extended boom with the suspended load

194. When lifting and moving loads, it is unacceptable to

a) move loads over vehiclesb) move loads over construction objectsc) move loads over machines

d) move loads over people

195. Lifting loads heavier than the permissible lifting capacity is

a) allowed if the load mass exceeds the nominal lifting capacity by no more than 10%b) allowed if there is no possibility of transferring the load by dividing it into smaller partsc) allowed if the lifting time is shorter than the working cycle time

d) prohibited

196. Unless the manufacturer specifies otherwise, the test of hydraulic locks in cranes with direct control is performed

a) with the actuator loaded and the hydraulic pump turned off, after controlling the distributor, the actuator should not collapse

b) during the operation of the actuator, we observe the operation of the controlled check valve (lock)c) we check whether we can control the lifting and lowering of the load at maximum extension of the actuatord) we observe whether the pressure in the hydraulic system is the same during lowering and lifting

197. During the unloading of materials from mobile means of transport, the operator is obliged to ensure

a) that the weight of the lifted loads does not exceed the permissible values resulting from the lifting diagramb) that the securing straps for the load during transport are detachedc) that the means of transport from which the load is being lifted is secured against movement

d) that all answers are correct

198. In which places is the presence of hook operators prohibited or inappropriate?

a) under the lifted/hanging/raised loadb) in the operator's cabin during the transport of loadsc) on the hanging/raised load

d) that all answers are correct

199. During the lifting operation, the crane operator

a) must not drag loadsb) must not overload the cranec) must comply with the supervisor's instructions, disregarding the provisions of the operating instructions

d) that answers a and b are correct

200. Operating a crane with a hook lacking the factory safety device for the hook throat is

a) prohibited

b) permissible at the operator's responsibilityc) permissible provided that it operates at reduced speedsd) permissible at the responsibility of the maintainer

201. During the assessment of the technical condition of the crane before starting work, the operator

a) assesses the condition in accordance with the operating instructionsb) performs overload testsc) in case of a negative assessment of the technical condition, refuses to start work

d) answers a and c are correct

202. Using the presented diagram, indicate the appropriate value of the reach and test load during the internal tightness test of the crane

a) 6600 kg and 9.1 mb) 6600 kg and 5.2 m

c) 2090 kg and 9.1 m

d) 2090 kg and 3.3 m

203. Unless the manufacturer specifies otherwise, the maximum allowable value of the load drop for portable construction cranes (with a reach of less than 12m) during the tightness test is

a) 10 mm

b) 0.5 % of the length of the reach realized hydraulically

c) 2 % of the maximum reach of the craned) 4 % of the rated lifting capacity expressed in mm

204. Unless the manufacturer specifies otherwise, the maximum allowable value of the load drop for wood handling cranes during the tightness test is

a) 10 mm

b) 2.0 % of the given reach

c) 2 % of the maximum reach of the crane realized hydraulicallyd) 4 % of the rated lifting capacity expressed in mm

205. During the assessment of the technical condition of the crane control panel, the operator checks

a) the correctness of the markings of the levers and control buttons

b) the size of the settings of the control levers springsc) the value of the intensity of external lightingd) answers a and b are correct

206. During daily operation, the operator of the crane is obliged to

a) check the tightening moments of the screws securing the crane to the chassis frame,b) lubricate the overflow valvesc) perform movement tests with overload

d) perform actions specified by the manufacturer in the operating manual

207. In case the operator cannot observe the entire path taken by the load

a) the operator performs the actions of moving the load at a speed equal to half the maximum speed of the given mechanismb) there is no possibility of performing the work

c) the operator performs the actions of moving the load in cooperation with a trained person called a signalman

d) persons with documented experience in performing this type of work are designated for the operation of the crane

208. When operating a wood handling crane

a) there is a ban on working with the hook

b) the operator must have additional special UDT qualificationsc) the operator does not need any qualifications, as they most often work in the forestd) inspections performed by an authorized conservator are not required due to the simple construction of the technical device

209. An excessively swaying load can cause

a) damage to the crane hook,

b) loss of stability, as the overturning moment caused by the lateral force of the swaying load increases

c) breaking of the load-bearing roped) all answers are incorrect

210. Based on the presented diagram, determine the maximum height to which a load weighing 3.4t can be safely lifted

a) 17m

b) 24.5 m

c) 18.6 md) 22m

211. Based on the presented diagram, determine the maximum distance at which a load of 3.4t can be safely provided

a) 17m

b) 14 m

c) 18.6 md) 10.2 m

212. Based on the presented diagram, indicate the correct operating parameters of the crane

a) maximum load capacity 13000 kgb) maximum reach 23 mc) maximum load capacity at a reach of 18.5 m is 2.4 t

d) answers b and c are correct

213. Based on the presented diagram, indicate the correct operating parameters of the crane

a) maximum load capacity 17.5 t

b) maximum reach 26 mc) maximum load capacity at a reach of 14 m is 2.4 td) answers b and c are correct

214. Based on the presented diagram, indicate the maximum load mass that can be provided at a distance of 10 m

a) 4100 kgb) 6900 kgc) 3260 kg

d) 5200 kg

215. Based on the presented diagram, indicate the maximum load mass that can be provided at a distance of 20 m

a) 5.2tb) 2.8 t

c) 2.1 t

d) 4.1 t

216. Based on the presented diagram, determine the maximum height at which a load of 3.32 t can be safely lifted

a) 17mb) 24.5 m

c) 15 m

d) 22m

217. Based on the presented diagram, determine the maximum distance at which a load of 3.32 t can be safely lifted

a) 7.0 mb) 10.2 m

c) 8.6 m

d) 10.2 m

218. Based on the presented diagram, indicate the correct operating parameters of the crane

a) maximum lifting capacity 6200 kgb) maximum reach 15 m

c) maximum lifting capacity at a reach of 10.5 m is 2.61 t

d) answers a and c are correct

219. Based on the presented diagram, indicate the correct operating parameters of the crane

a) maximum lifting height 13 mb) maximum reach 15 mc) maximum lifting capacity at a reach of 14 m is 2.4 t

d) maximum lifting capacity at a reach of 6.8 m is 4.3 t

220. Based on the presented diagram, indicate the maximum load mass that can be lifted at a distance of 4 m

a) 4100kgb) 6200 kgc) 3260 kgd) 5200 kg

e) No correct answer

221. Based on the presented diagram, indicate the maximum load mass that can be given at a distance of 13m

a) 2.1tb) 2.8 tc) 2.4 t

d) all answers are incorrect

222. Based on the presented diagram, determine the maximum height at which a load of 890 kg can be safely given

a) 7mb) 5.5 m

c) 4.4 m

d) 6 m

223. Based on the presented diagram, determine the maximum distance at which a load of 620 kg can be safely given

a) 5.5 m

b) 4.5 m

c) 3.5 md) 6 m

224. Based on the presented diagram, indicate the correct working parameters of the crane

a) maximum lifting capacity 620 kg

b) maximum reach 6.1 m

c) maximum lifting capacity at a reach of 6.1 m is 4.5 td) answers b and c are correct

225. Based on the presented diagram, indicate the correct working parameters of the crane

a) maximum lifting height 7 mb) maximum reach 7 mc) maximum lifting capacity at a reach of 6.1 m is 450 kg

d) answers a and c are correct

226. Based on the presented diagram, indicate the maximum load mass that can be applied at a distance of 4 m, at a height of 5.8 m

a) 620 kg

b) 450 kg

c) 720 kgd) all answers are incorrect

227. Based on the presented diagram, indicate the maximum load mass that can be applied at a distance of 1.8 m, at a height of 4 m

a) 0.45 tb) 0.62 t

c) 0.89 t

d) all answers are incorrect

228. Based on the presented diagram, determine the maximum distance at which a load of 3980 kg can be safely applied

a) 5.3 m

b) 4.5 mc) 3.5 md) 6 m

229. Based on the presented diagram, indicate the correct operating parameters of the crane

a) maximum lifting capacity 3.98 t

b) maximum reach 11.1 m

c) maximum lifting capacity at a reach of 6 m is 4.5 td) answers a and c are correct

230. Based on the presented diagram, indicate the correct operating parameters of the crane

a) maximum lifting height 11.1 mb) maximum reach of the crane with a load of 2.82 t is 7.2 mc) maximum lifting capacity at a reach of 3.4 m is 6390 kg

d) answers b and c are correct

231. Based on the presented diagram, indicate the maximum load mass that can be given at a distance of 7.2 m

a) 5.20 t

b) 2.82 t

c) 4.32 td) all answers are incorrect

232. Based on the presented diagram, determine the maximum distance at which a load of 3790 kg can be safely given

a) 7mb) 5.5 mc) 4.4 m

d) 6.25 m

233. Based on the presented diagram, determine the maximum height at which a load of 3790 kg can be safely given

a) 18.5 m

b) 16 m

c) 10 md) 8 m

234. Based on the presented diagram, indicate the correct operating parameters of the crane

a) the maximum lifting capacity is 9200kgb) the maximum reach of the crane with a manually extended boom is 18.65 mc) the maximum lifting capacity at a reach of 6 m is 2.81 t

d) answers a and b are correct

235. Based on the presented diagram, indicate the correct operating parameters of the crane

a) operation with extended supportsb) maximum reach 16 mc) maximum lifting capacity 9.2 t

d) answers a and c are correct

236. Based on the presented diagram, indicate the maximum load mass that can be provided at a distance of 12.25 m

a) 6.34 t

b) 1.76 t

c) 3.80 td) all answers are incorrect

237. Based on the presented diagram, indicate the maximum load mass that can be provided at a distance of 17 m

a) 1350 kgb) 1050 kg

c) 880 kg

d) all answers are incorrect

238. Based on the presented diagram, indicate the correct operating parameters of the crane

a) maximum crane load capacity 510 kgb) maximum crane load capacity 610 kg

c) maximum crane load capacity 1000 kg

d) maximum crane load capacity 440 kg

239. Based on the presented diagram, determine the maximum distance at which a load of 1300 kg can be safely provided by the crane marked with the symbol 700T

a) 7 mb) 6 mc) 4.4 m

d) 5 m

240. Based on the presented diagram, determine the maximum distance at which a load of 1350 kg can be safely provided by the crane marked with the symbol 600T

a) 2 m

b) 4 m

c) 5 md) 7 m

241. Based on the presented diagram, indicate the correct operating parameters of the cranes

a) maximum crane load 700tb) maximum crane reach with a manually extending boom 14.35 m

c) maximum crane load of 700T at a reach of 6 m is 1.03 t

d) answers a and c are correct

242. Based on the presented diagram, indicate the correct operating parameters of the crane

a) the diagram concerns two types of cranesb) the maximum reach is 10 mc) the maximum load of the crane 700T is 2.02 t

d) all answers are correct

243. Based on the presented diagram, indicate the maximum load mass that can be given at a distance of 10 m with the crane marked with the symbol 600T

a) 630 kg

b) 450 kg

c) 550 kgd) all answers are incorrect

244. Based on the presented diagram, indicate the maximum load mass that can be given at a distance of 8 m with the crane marked with the symbol 600T

a) 700 kgb) 800 kgc) 1030 kg

d) all answers are incorrect

245. Based on the presented diagram, determine the maximum distance at which a load of 1290 kg can be safely given

a) 7mb) 5.5 m

c) 10.3 m

d) 6.25 m

246. Based on the presented diagram, determine the maximum height at which a load of 1290 kg can be safely lifted

a) 14.5 mb) 20.7 mc) 10 m

d) 17.9 m

247. Based on the presented diagram, indicate the correct operating parameters of the crane

a) maximum load capacity 2000 kg

b) maximum crane reach achieved mechanically is 14.35 m

c) maximum load capacity at a reach of 6 m is 3.81 td) answers a and c are correct

248. Based on the presented diagram, indicate the correct operating parameters of the crane

a) operation at maximum support extensionb) maximum reach 22 mc) maximum load capacity 8065 kg

d) answers a and c are correct

249. Based on the presented diagram, indicate the maximum load mass that can be lifted at a distance of 12.35 m

a) 0.995 t

b) 2.23 tc) 1.240 td) all answers are incorrect

250. Based on the presented diagram, indicate the maximum load mass that can be lifted at a distance of 6.35 m

a) 1350 kgb) 1050 kg

c) 2350 kg

d) all answers are incorrect

251. Based on the presented diagram, determine the maximum distance at which a load of 6470 kg can be safely lifted

a) 7 m

b) 9.65 m

c) 10.3 md) 6.25 m

252. Based on the presented diagram, determine the maximum height at which a load of 6470 kg can be safely lifted

a) 14.5 m

b) 20.0 m

c) 16 md) 17.5 m

253. Based on the presented diagram, indicate the correct operating parameters of the crane

a) maximum load capacity 21500 kgb) maximum reach of the crane with a mechanical extension of 23.55 mc) maximum load at a reach of 11.75 m is 5.22 t

d) answers a and c are correct

254. Based on the presented diagram, indicate the correct operating parameters of the crane

a) operation at minimum support extension

b) maximum reach of the boom with a mechanical extension of 16.15 m

c) maximum load capacity 25.1 td) answers a and c are correct

255. Based on the presented diagram, indicate the maximum load mass that can be lifted at a distance of 13.9 m

a) 5.520 tb) 3.655 t

c) 4.350 t

d) all answers are incorrect

256. Based on the presented diagram, indicate the maximum load mass that can be given at a distance of 6.95 m

a) 8255 kg

b) 10050 kgc) 10940 kgd) all answers are incorrect

257. The following drawing shows a feature

a) chain sling

b) rope slingc) belt slingd) specialist traverse

258. The following drawing shows a feature

a) chain sling

b) rope sling

c) belt slingd) specialist traverse

259. The following drawing shows a feature

a) chain slingb) rope sling

c) belt sling

d) specialist traverse

260. 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 technical deviced) all answers are correct

261. The minimum lifting capacity of the lifting device raising a load of 24 t using the presented spreader is

a) 20.0 t

b) 25.2 t

c) 30.0 td) all answers are incorrect

262. 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 documentation

263. The load on a two-legged hook should be suspended

a) so that both legs are equally loaded

b) so that the difference in load between the individual legs of the hook does not exceed 30%c) only using a special sling for a two-legged hookd) only using chain slings

264. The reduction of DOR for a multi-leg sling is influenced by

a) The number of ropes usedb) additional operational restrictions included in the sling instructionsc) the angle of divergence of the ropes

d) all answers are correct

265. Based on the presented drawing, indicate value A for the wire rope sling

a) 6.0 tb) 5.0 t

c) 7.0 t

d) 3.5 t

266. Based on the presented drawing, indicate value A for the wire rope sling

a) 2.0 tb) 5.0 tc) 7.0 t

d) 10.0 t

267. The drawing shows

a) nameplate of a two-leg 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) answers a and c are correct

268. Based on the presented drawing, indicate value A (angle a) for the two-leg sling

a) 100°

b) 90°

c) 70°d) 50°

269. Based on the presented drawing, indicate value A (angle a) for the two-leg sling

a) 120°

b) 90°c) 70°d) 50°

270. Based on the presented drawing, indicate value A (DOR based on angle a) for the two-leg sling

a) 70%

b) 90%c) 110%d) 50%

271. Based on the presented drawing, indicate value A (DOR based on angle a) for a two-legged sling

a) 70%b) 90%c) 110%

d) 50%

272. Based on the presented drawing, indicate value A (DOR based on the suspension method) for a strap sling

a) 1b) 1.4c) 0.8

d) 2

273. Based on the presented drawing, indicate value A (DOR based on the suspension method) for a strap sling

a) 1b) 1.4

c) 0.8

d) 2

274. Based on the presented drawing, indicate value A (DOR based on the suspension method) for a strap sling

a) 1

b) 1.4c) 0.8d) 2

275. Indicate which of the load suspension methods is correct

a) Drawing A

b) Drawing Bc) Both methods are correctd) Both methods are incorrect

276. Indicate which method of suspending a load using a wire rope sling is correct

a) Fig A

b) Fig Bc) Both methods are correctd) Both methods are incorrect

277. The illustration below shows

a) interchangeable equipment mounted to the heads of lifting devicesb) a component of the lifting system of hoisting trolleys

c) a specialized sling for transporting loads placed on transport pallets

d) all answers are incorrect

278. The illustration below shows

a) a specialized sling for transporting steel and concrete pipes

b) a clamping grab for handling scrapc) a specialized sling for transporting loads placed on transport palletsd) a component of rail clamps

279. The specialized sling shown in the illustration is used for

a) lifting sheets of steel

b) lifting steel rodsc) lifting concrete elementsd) lifting plastic elements

280. The specialized sling shown in the illustration is used for

a) lifting concrete elementsb) lifting plastic elements

c) lifting sheets of steel

d) lifting steel rods

281. The correct selection of the sling is the responsibility of

a) hookb) operator (applies to situations where the operator is responsible for lifting the load)c) company health and safety services

d) answers a and b are correct

282. Slings are subject to periodic inspections at intervals of

a) every 30 daysb) every 2 monthsc) are not subject to periodic inspections

d) in accordance with the provisions of the sling operation manual

283. 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

284. Before starting work, the operator is obliged to

a) based on the weight of the lifted loads, select a sling with the appropriate WLLb) based on the type of lifted loads, select a sling with the proper constructionc) assess the technical condition of the sling in terms of its wear

d) all answers are correct

285. A sling is

a) an element that enables the transportation of a loadb) an element placed between the hoist and the loadc) an element whose weight must be considered when lifting the load

d) all answers are correct

286. Slings can be divided

a) by the material they are made ofb) by the number of load-bearing strandsc) by the type of strands

d) all answers are correct

287. The DOR of a belt sling can be determined

a) by testing the strength with a test weightb) by measuring the thickness of the belt

c) by checking the information on the identifier/label

d) all answers are correct

288. 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 conservator

289. Chain slings

a) can only be terminated with a hook

b) can have terminations other than a hook, e.g. shackles

c) can be used in any ambient temperatured) do not require maintenance

290. The maximum allowable apex angle 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°

291. The maximum angle þ in the sling can be

a) 120°

b) 60°

c) only angle a is consideredd) there are no restrictions, as it is enough to reduce the permissible working load of the sling

292. Indicate which of the methods of suspending the load using a rope sling is incorrect

a) Fig Ab) Fig B

c) Fig C

d) Fig D

293. Indicate which of the methods of attaching the hook is correct

a) Fig A

b) Fig Bc) Fig Cd) Fig D

294. 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

295. Based on the presented drawing, indicate value A for the two-leg sling

a) 120%b) 90%

c) 70%

d) 10%

296. Based on the presented drawing, indicate value A for a two-leg sling

a) 120%b) 90%c) 70%

d) 50%

297. Unless the manufacturer specifies otherwise, the acceptable 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 operation

298. Unless the manufacturer specifies otherwise, the acceptable 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

299. Which of the following damages disqualifies a wire rope sling from further use?

a) breakage 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

300. As the vertex angle a 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 vertex angle is only significant at a value of alpha=120 degrees

301. Angles a and þ in relation to slings

a) are always equalb) angle a is half of angle þ

c) angle þ is half of angle a

d) all answers are incorrect

302. When lifting elements with sharp edges using a web sling, one should

a) use special protective pads to secure the sling against sharp edges

b) it is forbidden to use web slingsc) the load should be double wrapped to prevent the strap from frayingd) only use polyester web slings

303. The DOR value of 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 weight of the transported loadd) a constant value

304. 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

305. The illustration below shows

a) a feature of a four-leg chain sling

b) a feature of a rope sling with a leg length of 10 mc) a feature of a special slingd) all answers are correct

306. The maximum WLL of the presented sling is

a) 8.4 t

b) 6.0 tc) 10.0 td) 8.0 t

307. The maximum WLL of the presented sling at a vertex angle of þ 60˚ is

a) 10.0 tb) 8.4 t

c) 6.0 t

d) 4.0 t

308. The maximum WLL of the presented sling at a vertex angle of þ 45˚ is

a) 8.4 t

b) 8.0 tc) 6.0 td) 4.0 t

309. Based on the presented drawing, indicate the correct way to attach the hook

a) Ab) B

c) C

d) D

310. The maximum weight of the lifted load at an angle of þ 55˚ cannot exceed

a) 12000 kgb) 9000 kg

c) 6000 kg

d) all answers are incorrect

311. The maximum mass of the lifted load at an angle of þ equal to 40˚ cannot exceed

a) 12000 kg

b) 9000 kg

c) 6000 kgd) all answers are incorrect

312. The maximum mass of the lifted load at an angle of þ equal to 50˚ cannot exceed

a) 12000 kgb) 9000 kg

c) 6000 kg

d) all answers are incorrect

313. The maximum mass of the lifted load at an angle of þ equal to 65˚ cannot exceed

a) 12000 kgb) 9000 kgc) 6000 kg

d) lifting is not allowed

314. Based on the presented drawing, determine the maximum mass of the load that can be lifted using a 4-part sling

a) 6t

b) 8.4 tc) 12 td) all answers are incorrect

315. Based on the presented drawing, determine the maximum mass of the load that can be lifted using a 4-part sling

a) 6t

b) 8.4 t

c) 12 td) answers a and b are correct

316. Based on the presented drawing, determine the maximum load mass that can be lifted using a 4-sling hoist

a) 7tb) 8.4 tc) 12 t

d) all answers are incorrect

317. Which of the presented special slings can be used to lift sheets in a vertical position

a) FIG. 1b) FIG. 2

c) FIG. 3

d) FIG. 4

318. Which of the presented lifting equipment can be used to lift sheets in a horizontal position

a) FIG. 2

b) FIG. 3c) FIG. 4

319. Which of the presented lifting equipment can be used to lift I-beams

a) FIG. 1

b) FIG. 2

c) FIG. 3d) FIG. 4

320. Which of the presented lifting equipment can be used to lift long steel rods

a) FIG. 1b) FIG. 2c) FIG. 3

d) FIG. 4

321. Which of the presented lifting equipment can be used to lift loads stored on transport pallets

a) FIG. 1b) FIG. 2

c) FIG. 3

d) FIG. 4

322. Which of the presented lifting equipment can be used to lift a sheet of metal in a horizontal position

a) FIG. 1 and FIG. 2

b) FIG. 2 and FIG. 3c) FIG. 3 and FIG. 4d) FIG. 4 and FIG. 1

323. In the picture below, symbol a means

a) angle of divergence of the sling strands

b) maximum apex anglec) value determining the lifting capacity of the slingd) DOR of the sling

324. In the picture below, symbol þ means

a) length of the sling

b) angle of deviation of the strands from the vertical

c) two-strand chain slingd) all answers are incorrect

325. Which of the following conditions must a sling for moving a load absolutely meet

a) the lifting capacity of the sling must not be less than the weight of the lifted loadb) the length of the sling must ensure that the angle of divergence of the sling does not exceed 120°c) the sling must have a readable rated characteristic