2022 portal crane driver registration examination and portal crane driver examination materials

Source of question bank ： Safety production simulation test, a little public official account.

Pass the safety production simulation exam at one point ： The reference answers for the registration examination of portal crane drivers and the analysis of the examination questions of portal crane drivers are the summary of the one-point general question bank of the safety production simulation examination teachers and the trainees who have passed the operation certificate of portal crane drivers , Relatively effective to help students pass the examination successfully .

1、【 Multiple choice 】 Crane “ Forward ” or “ back off ”, The following statement is correct ( ).（  AD  ）

A、“ Forward ” It refers to the crane coming towards the commander

B、“ back off ” It refers to the crane coming towards the commander

C、“ Forward ” It means that the crane leaves the commander

D、“ back off ” It means that the crane leaves the commander

2、【 Multiple choice 】 Common basic deformations of metal materials are ：( ).（  ABCD  ）

A、 The tensile

B、 bending

C、 Compress

D、 shear

3、【 Multiple choice 】 The basic parameters of hoisting machinery include... In addition to the rated lifting capacity :( ).（  ABCD  ）

A、 Lifting height

B、 span 、 Gauge

C、 Working speed

D、 Range

4、【 Multiple choice 】 The main contents of brake adjustment are ( ) aspect .（  ACD  ）

A、 Adjust the working stroke

B、 Adjust material strength

C、 Adjust the braking torque

D、 Adjust the clearance

5、【 Multiple choice 】《 Production safety law of the people's Republic of China 》 primary coverage ：( ).（  ACD  ）

A、 We must be people-oriented

B、 In order to protect the safety and health of workers

C、 Basic conditions for safe production and business activities

D、 Investigate the responsibility of the person responsible for the production safety accident according to law

6、【 Multiple choice 】 According to the contact state of two adjacent layers of steel wires in the strand , The steel wire rope is divided into :( ).（  ABC  ）

A、 Point contact

B、 Wire contact

C、 Surface contact

D、 Body contact

7、【 Multiple choice 】 To prevent or slow down the sinking of the main beam , In use, we should do :( ).（  ABD  ）

A、 No overload

B、 Do not pull or hang askew

C、 Do not lift objects in the middle of the main beam of the crane

D、 Avoid parking in a place with high temperature heat radiation for a long time

8、【 Multiple choice 】 For newly installed or overhauled lifting machinery, it must be :( ).（  BCD  ）

A、 General test

B、 No load test

C、 Static overload test

D、 Dynamic overload test

9、【 Multiple choice 】 The object is in the process of lifting , Attention should be paid to ：( ).（  ABC  ）

A、 Do not cross over people

B、 Do not move over the wire

C、 Give warning signals in time

D、 Keep in touch with ground objects 0.2m The distance between

10、【 Multiple choice 】 The main causes of wire rope damage and damage are ：( ).（  ABCD  ）

A、 The cross-sectional area is reduced

B、 Quality changes

C、 deformation

D、 Sudden damage

11、【 Multiple choice 】 A brief account of the accident : On the return site of a storage and transportation company 10/40t The gantry crane is lifting plates , The driver retracts the main hook and puts down the auxiliary hook at the same time . The hooker is preparing to hang the plate , Suddenly the main hook fell , Hit the hooker on the head , Die on the spot . Accident investigation : The equipment passes the regular security check , On site investigation, the lifting limiter has been damaged （ Before the accident ）, I also learned that , Before the incident, when the auxiliary hook was quickly put down , Cause analysis of the accident of rapidly lifting the main hook :( )（  ABD  ）

A、 The rising stopper fails

B、 Violation of safe operation regulations （ Two sets of lifting cannot be operated at the same time ）

C、 The hooker didn't escape in time

D、 Lack of maintenance in daily use , Slack management

12、【 Multiple choice 】 The crane driver should do ：( ).（  ABCD  ）

A、 The mechanical parking position is appropriate

B、 The lever should be set to the zero position

C、 Cut off the power supply

D、 Close the doors and windows

13、【 Multiple choice 】 Common types of object rollover are ：( ).（  ABCD  ）

A、 Somersault

B、 Belt turnover

C、 Swim over

D、 Air somersault

14、【 Multiple choice 】 The type of block brake is ：( ).（  ABCD  ）

A、 Short stroke

B、 Long stroke

C、 Hydraulic electromagnet

D、 Hydraulic push rod pad

15、【 Multiple choice 】 The reason why the brake doesn't open is ( ).（  BCD  ）

A、 Main spring damaged

B、 The solenoid is burnt out

C、 The movable joint is stuck

D、 Improper use of oil

16、【 Multiple choice 】 The advantages of steel wire rope are ：( ).（  ABD  ）

A、 High strength 、 Able to withstand impact load

B、 Good flexibility , Flexible use

C、 It is rigid and not easy to bend

D、 Lower cost

17、【 Multiple choice 】 The reason why the brake doesn't work is ( ).（  ABCD  ）

A、 The brake shoe is excessively worn

B、 The knuckle of the lever is stuck

C、 There is oil stain on the brake wheel

D、 The lock nut is loose

18、【 Multiple choice 】 The pick-up device of portal crane can be ( ).（  BCD  ）

A、 Clamp

B、 Grab

C、 Electromagnetic suction cup

D、 A hook

19、【 Single topic selection 】 The safety device installed to prevent the crane from being blown or blown down by strong wind is ( ).（  B  ）

A、 brake rigging

B、 Rail clamp

C、 Safety switch

20、【 Single topic selection 】 The bushing of plate hook is worn to the original size ( ) when , The bushing should be scrapped .（  C  ）

A、10%

B、15%

C、50%

21、【 Single topic selection 】“ Place your forearms horizontally in front of your chest , Five fingers stretch out naturally , Palm down , At the same time, swing horizontally to both sides .” This gesture signal indicates ( ).（  C  ）

A、 The hook rises

B、 The hook is lowered

C、 Emergency stop

D、 end-of-job

22、【 Single topic selection 】 The equipment shall be bound firmly , Main bearing points ( ) Equipment center of gravity , In case of dumping .（  B  ）

A、 lower than

B、 higher than

23、【 Single topic selection 】 The function of the movable pulley in the crane pulley block is :( ).（  A  ）

A、 And effort

B、 Change the stress direction of steel wire rope

C、 Balance

24、【 Single topic selection 】( ) It belongs to self-propelled boom crane .（  C  ）

A、 The driving

B、 Gantry crane

C、 Crawler crane

D、 loader-unloader

25、【 Single topic selection 】 To eliminate the swing of the hook , Operators should pay attention to observation , Generally, the swing is large , The following distance is ( ).（  B  ）

A、 Small

B、 Big

26、【 Single topic selection 】 When the charged body is grounded and there is current flowing underground , The voltage drop caused by the current in the soil around the grounding point . People are around the grounding point , The voltage between the two pins is called ( ).（  A  ）

A、 Step voltage

B、 Safe voltage

C、 Zero voltage

27、【 Single topic selection 】( ) The elongation is large , Elastic when used , It is beneficial to absorb impact load .（  C  ）

A、 a wire rope

B、 Hemp rope

C、 Chemical fiber rope

28、【 Single topic selection 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , The use of special equipment shall have a specified safety distance 、( ).（  B  ）

A、 technical requirement

B、 Safety protection measures

C、 Ancillary facilities

29、【 Single topic selection 】《 Special equipment operator certificate 》 Every time ( ) Annual review .（  B  ）

A、2

B、4

C、6

30、【 Single topic selection 】“ Straighten your forearm up to the side , Five fingers stretch out naturally , Rotate around the wrist ”, This gesture signal indicates ( ) .（  A  ）

A、 The hook rises

B、 Emergency stop

C、 end-of-job

31、【 Single topic selection 】 When using carbon dioxide fire extinguisher , Should be ( ) operation , The nozzle shall be aligned with the root of the fire source .（  C  ）

A、 The horse

B、 Lay it flat

C、 vertical

32、【 Single topic selection 】 In order to release the brake , The clearance between the left and right brake pads and the brake wheel is symmetrical , Should be adjusted ：( ).（  C  ）

A、 Electromagnet stroke

B、 Working length of main spring

C、 Clearance between brake pad and brake wheel

33、【 Single topic selection 】《 Safety Law of the people's Republic of China on special equipment 》 Article 86 provides that , Production of special equipment 、 business 、 The user unit uses the personnel who have not obtained the corresponding qualification to engage in the safety management of special equipment 、 Detection and operation . Order to make corrections within a time limit ; Failing to correct within the time limit ,( ).（  B  ）

A、 Revocation of business license

B、 Order to stop using relevant special equipment or suspend production or business for rectification , Impose a fine of not less than 10000 yuan but not more than 50000 yuan

34、【 Single topic selection 】《 Regulations on safety supervision of special equipment 》 Specified in the , Accidents of special equipment , In accordance with relevant national regulations ( ), Hold accountable .（  A  ）

A、 Accident investigation

B、 Accident analysis

C、 Organize rescue

D、 Emergency rescue

35、【 Single topic selection 】 Users of special equipment , It should be strictly implemented 《 Safety Law of the people's Republic of China on special equipment 》 And laws on work safety 、 Provisions of administrative regulations , Ensure the safety of special equipment ( ).（  D  ）

A、 Economic operation

B、 Efficient operation

C、 Energy saving operation

D、 The safe use

36、【 Single topic selection 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , The user of special equipment shall, before or within 30 days after the special equipment is put into use , Handle the use registration with the Department responsible for the safety supervision and management of special equipment , Obtain the use registration certificate .( ) It should be placed in a prominent position of the special equipment .（  C  ）

A、 Use certificate

B、 Registration Certificate No

C、 Registration mark

D、 Name of registration authority .

37、【 Single topic selection 】 The wear amount of brake pad friction pad reaches... Of the original pad thickness ( )%, Should be scrapped .（  D  ）

A、20

B、30

C、40

D、50

38、【 Single topic selection 】 Lifting appliances are not allowed to use ：( ).（  A  ）

A、 Cast hook

B、 Forged hook

C、 Steel plate riveting hook

39、【 Single topic selection 】 The torsion deformation of hook head exceeds ( ) Should be scrapped .（  A  ）

A、10°

B、12°

C、5°

40、【 Judgment questions 】 The portal crane has four working mechanisms : Lifting 、 Luffing 、 Turn around 、 walk .（  √  ）

41、【 Judgment questions 】《 Safety Law of the people's Republic of China on special equipment 》 clear , In order to strengthen the safety of special equipment , Prevent special equipment accidents , Protect personal and property safety , Promote economic and social development , To enact this law .（  √  ）

42、【 Judgment questions 】 The friction surface of the brake wheel shall contact evenly , There shall be no defects and oil stains that affect the braking performance .（  √  ）

43、【 Judgment questions 】 Because the wire rope has a safety factor , So it can be overloaded .（  ×  ）

44、【 Judgment questions 】《 Safety Law of the people's Republic of China on special equipment 》 It is required that all units of special equipment should be responsible for the safety accessories of the special equipment they use 、 The safety protection device shall be calibrated regularly 、 Overhaul , Records shall also be made when necessary .（  ×  ）

45、【 Judgment questions 】 The higher the strength of steel wire rope, the better .（  ×  ）

46、【 Judgment questions 】 The maintenance cage is not often used , Therefore, its welding quality reliability can be lower than that of the cab .（  ×  ）

47、【 Judgment questions 】《 Regulations on safety supervision of hoisting machinery 》 already 2006 year 11 month 27 Japan . It was deliberated and adopted at the executive meeting of the General Administration of quality supervision, inspection and Quarantine of the people's Republic of China , Now published , since 2007 year 6 month 1 The effective date .（  √  ）

48、【 Judgment questions 】 Amplitude indicator , It shall be ensured that the mobile crane with luffing mechanism can correctly indicate the range of the spreader .（  √  ）

49、【 Judgment questions 】 The fixed pulley is usually installed in the middle of the trolley frame . Because there is a protective cover on it , It's not easy to observe , Check whether the fixed pulley rotates flexibly , Whether the rim is damaged .（  √  ）

50、【 Judgment questions 】 Failure or abnormality of special equipment , The user unit shall conduct a comprehensive inspection , After eliminating potential accidents , Before it can be put back into use .（  √  ）

51、【 Judgment questions 】《 Production safety law of the people's Republic of China 》 Regulations , Safety production management , Insist on safety first 、 The policy of putting prevention first .（  √  ）

52、【 Judgment questions 】 It is forbidden to use the crane for cable-stayed 、 Inclined lifting and lifting of heavy objects buried underground or solidified on the ground and other objects of unknown weight .（  √  ）

53、【 Judgment questions 】 The brake of the lifting mechanism must be able to reliably hold 1.1 Times the rated load .（  ×  ）

54、【 Judgment questions 】 The safety technical file of crane must have its safety accessories 、 Safety protection device 、 Record of daily maintenance of measuring control device and relevant auxiliary instruments .（  √  ）

55、【 Judgment questions 】 When transferring goods with grab , In the work area , No one is allowed to walk or stay .（  √  ）

56、【 Judgment questions 】 When a crane operating in the open air encounters a strong wind above level 6 , The operation should be stopped .（  √  ）

57、【 Judgment questions 】 The purpose of adjusting the working stroke of the brake is to obtain appropriate braking torque .（  ×  ）

58、【 Judgment questions 】 When lifting goods, the crane shall make the lifting object move along the lifting safety channel .（  √  ）

59、【 Judgment questions 】 The driver only obeys the command signal sent by the special commander in his work , An emergency stop signal to others , Can refuse to obey .（  ×  ）

60、【 Judgment questions 】 Part of the outer steel wire rope is elongated “ Cage ” Shape time , As long as the number of broken wires does not exceed the standard, it can be used safely .（  ×  ）

61、【 Judgment questions 】 static 、 Compared with dynamic load , The danger of dynamic load is great .（  √  ）

62、【 Judgment questions 】 The current passing through each resistor in the parallel circuit is the same .（  ×  ）

63、【 Judgment questions 】 Check the power supply voltage before work , The power supply voltage shall not be lower than 360 v .（  √  ）

64、【 Judgment questions 】 The driver shall carry out... For any danger signal sent by anyone .（  √  ）

65、【 Judgment questions 】 The weight of an object is equal to its volume times its density .（  ×  ）

66、【 Judgment questions 】 Command signals have hand signals 、 Semaphore signal and sound signal .（  √  ）

67、【 Judgment questions 】 The weight of the lifting electromagnet , Must be included in the rated lifting capacity of the crane .（  √  ）

68、【 Judgment questions 】 Lifting mechanism 、 Brake of luffing mechanism , It can be normally open .（  ×  ）

69、【 Judgment questions 】 The lifting electromagnet has certain delay performance , So it's not dangerous .（  ×  ）

70、【 Judgment questions 】 Shift handover , The handover driver shall introduce the problems occurred in the shift to the succeeding driver in detail , But there is no need to jointly inspect the crane .（  ×  ）

71、【 Judgment questions 】 Crane maintenance is divided into daily maintenance 、 First level maintenance and second level maintenance .（  √  ）

72、【 Judgment questions 】 Pay attention to the stress direction when using the lifting ring , The lateral stress is the best , Longitudinal force is strictly prohibited .（  ×  ）

73、【 Judgment questions 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , Failure or abnormality of special equipment , The user of special equipment shall conduct a comprehensive inspection , Eliminate potential accidents , Can continue to use .（  √  ）

74、【 Judgment questions 】 The breaking force of steel wire rope is the tensile force when the whole steel wire rope is broken .（  √  ）

75、【 Judgment questions 】 As long as there are commanders , Then it can be lifted and buried underground or frozen on the ground 、 Objects on the device .（  ×  ）

76、【 Judgment questions 】 If cracks are found on the surface of the hook , It can be repaired by welding and then used .（  ×  ）

77、【 Judgment questions 】 When lifting, the steel wire rope binding the object , The smaller the angle between the steel wire rope and the horizontal line , The greater the ability to lift heavy objects .（  ×  ）

78、【 Judgment questions 】 In the winter 0℃ After shutdown in the following areas , The coolant should be completely drained .（  √  ）

79、【 Judgment questions 】 Drivers should strictly abide by the shift handover system , Do a good job of shift handover .（  √  ）

80、【 Judgment questions 】 The shorter the braking stroke of the crane crane , The more favorable it is to the work and safety of the crane .（  ×  ）

81、【 Judgment questions 】 When the grab blade plate is seriously worn or has large deformation , Repair or replace in time .（  √  ）

82、【 Judgment questions 】 Gear couplings are rigid couplings , It cannot compensate for axial displacement and radial displacement .（  ×  ）

83、【 Judgment questions 】 Center of gravity and center of gravity are two concepts .（  ×  ）

84、【 Judgment questions 】 After work, the hook shall be raised to a height close to the upper limit position , Do not hang slings 、 Hanging objects, etc .（  √  ）

85、【 Judgment questions 】 The magnification of the single pulley block is equal to half of the number of branches of the steel wire rope supporting the lifting weight in the pulley block .（  ×  ）

86、【 Judgment questions 】 When replacing the hook , If it is difficult to purchase forged hooks , Cast hooks can also be used instead of .（  ×  ）

87、【 Judgment questions 】 Steel wire rope for lifting hot metal or dangerous goods , The scrap number of broken wires shall be half of that in normal use .（  √  ）

88、【 Judgment questions 】 The crane shall have sufficient lighting during night operation .（  √  ）

89、【 Judgment questions 】 Hoisting machinery is a kind of equipment that lifts materials in an intermittent way , Descending and horizontally moving handling machinery .（  √  ）

90、【 Judgment questions 】 The steel wire rope and binding rope of the lifting mechanism of the crane are double twisted steel wire rope .（  √  ）

91、【 Judgment questions 】 Different grades of lubricating oil , It can be mixed .（  ×  ）

92、【 Judgment questions 】 Lifting mechanism of crane 、 Luffing mechanism , Normally closed brakes must be installed .（  √  ）

93、【 Judgment questions 】 When processing directly on objects or standing on equipment , Don't hang .（  √  ）

94、【 Judgment questions 】 The relay is used to directly control the main circuit .（  ×  ）

95、【 Judgment questions 】 The pulley shall be equipped with a device to prevent the steel wire rope from jumping out of the rope groove .（  √  ）

96、【 Judgment questions 】 Gantry crane under a certain working condition at the same time , The leg pressure of four legs is the same .（  ×  ）

97、【 Judgment questions 】 Generally, the gantry crane shall be inspected , If the wheel pressure exceeds or the foundation is too soft . The whole machine may tilt or even overturn during the operation of the whole machine .（  √  ）

98、【 Judgment questions 】 The luffing limit of the luffing mechanism of the portal crane is to control the maximum and minimum amplitude by installing a travel limit switch at both ends of the amplitude device .（  √  ）

99、【 Judgment questions 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations ： Installation of special equipment 、 reform 、 The repair construction unit shall install the special equipment to be carried out before construction 、 reform 、 Inform the district level special equipment safety supervision and Management Department of the repair in writing .（  ×  ）

100、【 Judgment questions 】 If the diameter of the pulley used is too small , Steel wire rope is easy to be damaged , But it will not affect the safe use and service life .（  ×  ）

Support the examination questions of accurate portal crane drivers in all regions of the country , Support safety certificate , Special operation certificate , Exercises on the question bank of vocational skill appraisal and other types of work .