2022 hoisting machinery command registration examination and hoisting machinery command examination registration

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

Pass the safety production simulation exam at one point ： The application for the hoisting machinery command examination shall be subject to the requirements of the new hoisting machinery command examination outline , The one-point pass of safety production simulation test compiles the test questions of hoisting machinery command simulation test , Form a set of simulated test questions for hoisting machinery command , Students can register for full simulation through the hoisting machinery command examination , Conduct self-test of hoisting machinery command .

1、【 Multiple choice 】 If the steel wire rope has any of the following conditions , Should be scrapped ：（）.（  ABC  ）

A、 Broken strand

B、 Electricity burns out

C、 Kink , Appearance deformation

D、 Surface corrosion or wear up to 10%

2、【 Multiple choice 】 Electricity is a kind of （） Untouchable energy （  ABC  ）

A、 Can't see

B、 can not hear

C、 Can't smell

D、 nowhere to buy it

3、【 Multiple choice 】 The fire extinguishing of electrical equipment or electrical lines adopts （） Fire extinguisher .（  AC  ）

A、 Carbon dioxide

B、 acid-base

C、 dry powder

D、 bubble

4、【 Multiple choice 】 When lifting objects by binding method , Be sure to empty the circle , Its purpose is to （）.（  AC  ）

A、 Lifting points for fixing objects

B、 Prevent objects from tilting

C、 Prevent the sling from slipping

D、 Prevent overloading

5、【 Multiple choice 】 The basic tasks of emergency response mainly include （）.（  ABCD  ）

A、 Preliminary understanding of accident conditions and control of hazard sources

B、 Rescue the victim 、 Guide the masses to protect 、 Organize mass evacuation

C、 Clean up the site , Eliminate harmful consequences

D、 Unable to control the development of the emergency plan , Request the superior competent department to start the superior emergency plan

6、【 Multiple choice 】 In the following （） Working environment , Do not work without special supervision .（  ABCD  ）

A、 Flammable

B、 Explosive

C、 Upper part of toxic gas plant

D、 Top of tower and tank

7、【 Multiple choice 】 When lifting at height , For safety , need （）.（  ABD  ）

A、 Set the lifting forbidden area

B、 Strengthen on-site supervision and management

C、 Enhance self-protection awareness

D、 No outsiders are allowed to enter the restricted area

8、【 Single topic selection 】 In the gesture command signal , Hold one hand naturally and put it on your head , Touch your head , It's the commander who wants to （）.（  B  ）

A、 Auxiliary hook

B、 Main hook

C、 Lift arm

D、 Arm extension

9、【 Single topic selection 】 The higher the object is off the ground , Its （） The greater the , Once you fall , The greater the kinetic energy of its transformation , Therefore, the harm caused is more serious .（  B  ）

A、 heat energy

B、 potential energy

C、 Potential

10、【 Single topic selection 】 The wear of the bushing of the plate hook is up to 50% of the original size （） when , The bushing should be discarded .（  B  ）

A、40%

B、50%

C、20%

11、【 Single topic selection 】 Crane drivers should strive to cultivate their feelings for their own work , Love your career , Establish awareness of the profession （）.（  C  ）

A、 The sense of crisis

B、 Fulfillment

C、 A sense of honor

12、【 Single topic selection 】 During the use of the crane , Disposal method of sudden fire .1、 Put out the fire with dry powder or carbon dioxide fire extinguisher 2、 Pull down the knife switch to cut off the power supply 3、 Put the handle to the zero position , Or pull down the emergency switch 4、 If the fireworks are big , Difficult to extinguish , Escape in time , And call 119 Call the police , The order of processing is ？（  A  ）

A、3—2—1—4

B、2—3—4—1

C、4—1—2—3

D、1—2—4—3

13、【 Single topic selection 】 Use a ladder to climb , The included angle between the ladder and the ground is in （） About degrees is appropriate .（  B  ）

A、80°

B、65°

C、30°

14、【 Single topic selection 】 When disconnecting the wounded from the power supply , Rescuers shall not use their hands or metal and wet objects as rescue tools , And should be used （） Tools , In case of electric shock .（  C  ）

A、 dry

B、 long

C、 insulation

15、【 Single topic selection 】 As shown in the figure , What signal does the icon indicate ？

（  B  ）

A、 stop it

B、 get set

C、 The main hook

D、 Want a secondary hook

16、【 Single topic selection 】 Material selection of main stressed structural parts of crane , The mechanical properties of the material shall not be lower than （） or Q345-B The requirements of .（  B  ）

A、Q235-A

B、Q235-B

C、Q235-C

17、【 Single topic selection 】 The rolling row is a steel wood joint surface , Horizontal rolling 20 Tons of objects , The rolling row needs traction （）（  B  ）

A、20KN

B、40KN

C、60KN

D、80KN

18、【 Single topic selection 】 Generally, the steel wire rope for main hoisting should be （） a wire rope .（  B  ）

A、 Twist in the same direction

B、 Interactive twist

C、 Mix twist

D、 Compound twist

19、【 Single topic selection 】《 Assessment rules for special equipment operators 》 The upper age limit for special equipment operators is （）（  C  ）

A、 Men are no older than 60 One year old , Women are no more than 55 One year old

B、 No more than... For men and women 55 year

C、 No more than... For men and women 60 year

20、【 Single topic selection 】 The harm of electric current to human body can be divided into electric shock and （） etc. .（  C  ）

A、 Local injury

B、 Seriously injured

C、 Electric injury

D、 burn

21、【 Single topic selection 】 The severity of electric injury to human body is mainly related to passing through human body （） Size 、 The duration of the 、 The way is related to .（  C  ）

A、 voltage

B、 resistance

C、 electric current

22、【 Single topic selection 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , Special equipment other than scrapping conditions , It can be used continuously after reaching the design service life , It shall pass the inspection or... According to the requirements of safety technical specifications （）, And handle the change of use registration certificate , Can continue to use .（  A  ）

A、 Safety assessment

B、 Safety assessment

C、 Safety evaluation

23、【 Single topic selection 】 From the accident statistics of construction elevator , The lift has a cage () The proportion of accidents is large , The risk of accidents is high , Accidents with heavy casualties occur from time to time .（  B  ）

A、 damage

B、 falling

C、 Outage

24、【 Single topic selection 】 When the crawler crane lifts the load , The jib should be on the side of the crawler crane （）（  A  ）

A、 Straight ahead

B、 Right behind

C、 Side

D、 In any direction

25、【 Single topic selection 】 If potential accidents or other unsafe factors are found on the operation site , The crane driver shall report to the site immediately （） Report to the relevant person in charge of the unit .（  B  ）

A、 Security personnel

B、 Safety management personnel

C、 Electromechanical maintenance personnel

26、【 Single topic selection 】 Place the object on an inclined plane , The gravity of an object can （） Is the sliding force of the object along the inclined plane and the positive pressure perpendicular to the inclined plane .（  A  ）

A、 decompose

B、 Assume

27、【 Single topic selection 】 When working with two lifting rings , The included angle between two lifting ring surfaces shall not be greater than （）.（  A  ）

A、90°

B、120°

28、【 Single topic selection 】 With the loading and unloading workers in the car , It is strictly prohibited to place the goods on the front riser （） Location .（  B  ）

A、 front

B、 middle

C、 side

29、【 Single topic selection 】 According to the statistics , Causes of safety accidents of hoisting machinery , Yes () It is caused by the illegal operation of the crane driver .（  A  ）

A、70%

B、60%

C、50%

30、【 Single topic selection 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations ： Boiler 、 Pressure vessel 、 Penstock 、 The elevator 、 Hoisting machinery 、 Passenger ropeway 、 Installation of large amusement facilities 、 reform 、 Major repair process , Must go through （）, Failure to perform the procedure , Or fail to meet the qualification standard , Shall not be delivered for use .（  C  ）

A、 The examination and approval ;

B、 Keep on record ;

C、 Supervision and inspection ;

D、 inform .

31、【 Single topic selection 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , Before the inspection is qualified and the validity expires （） Put forward regular inspection requirements to the special equipment inspection organization every month .（  B  ）

A、6

B、1

C、3

32、【 Single topic selection 】 When lifting objects , In order to ensure the stability of objects during hoisting , Should make （）.（  C  ）

A、 The lifting point of the hook shall be as close as possible to the center of gravity of the object to be lifted ;

B、 The lifting point of the hook shall be as far away from the center of gravity of the object to be lifted as possible ;

C、 The lifting point of the hook and the gravity center of the object to be lifted are on the same plumb line ;

D、 The center of gravity of the suspended object is lower

33、【 Single topic selection 】 Lift molten or red hot metal 、 Acid solution 、 explosive 、 Steel wire rope for lifting toxic and flammable articles , Ensure that at least... Are inspected every week （） Time .（  B  ）

A、1

B、2

C、3

D、4

34、【 Single topic selection 】 When hoisting horizontal equipment , The binding lifting point shall not be less than （）（  B  ）

A、 One o'clock

B、 At two o 'clock

C、 Three points

D、 Four o'clock

35、【 Single topic selection 】 To prevent lifting objects from falling off , A hook （）.（  A  ）

A、: Anti decoupling device shall be provided

B、 The anti decoupling device is not required

36、【 Single topic selection 】 The layout of lifting operation construction site shall be as simple as possible （） Lifting distance and loading and unloading times .（  B  ）

A、 increase

B、 Reduce

37、【 Single topic selection 】 Sound symbols in command terminology “—” It means （）.（  A  ）

A、 A long sound symbol representing more than one second

B、 A short sound symbol representing less than one second

C、 A symbol for a pause

D、 A rising sign

38、【 Single topic selection 】 Empty hook or loaded hook in command terminology , but （） The statement is wrong .（  D  ）

A、 rings

B、 Electromagnetic suction cup

C、 Grab

D、 Only refers to the hook

39、【 Single topic selection 】 stay （） Strong wind or heavy rain above level 、 heavy snow 、 Bad habits such as heavy fog and bad weather , The open air operation of mobile crane shall be stopped .（  B  ）

A、 7、 ... and

B、 6、 ... and

40、【 Single topic selection 】 The flag signals used by the commander are based on the symbol of the command flag （） Indicates hook 、 Movement direction of arm and mechanical displacement .（  D  ）

A、 Palm

B、 The flag

C、 flagpole

D、 flag officer

41、【 Single topic selection 】 The core content of the emergency plan stipulates the organization of emergency rescue parties （）（  A  ）

A、 Detailed responsibilities

B、 Detailed authority

C、 Detailed responsibilities

42、【 Judgment questions 】 The command signal sent by the commander must be clear 、 accuracy .（  √  ）

43、【 Judgment questions 】 When the commander cannot see the lifting driver and load at the same time , Stand on one side of the load and add an intermediate commander to transmit signals .（  ×  ）

44、【 Judgment questions 】 Do not operate under suspended objects , Exceptional circumstances .（）（  ×  ）

45、【 Judgment questions 】 Do not overload the use of lifting machinery 、 Lifting tools and rigging .（）（  √  ）

46、【 Judgment questions 】 The hoisting scheme shall be reviewed after preparation 、 approval . Organization and implementation of hoisting operation , The lifting scheme must be strictly implemented .（）（  √  ）

47、【 Judgment questions 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , The use management and maintenance obligations of special equipment during the lease period shall be borne by the actual user of special equipment , Unless otherwise provided by law or agreed by the parties .（  ×  ）

48、【 Judgment questions 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , A special equipment sales unit shall establish a special equipment inspection, acceptance and sales record system .（）（  √  ）

49、【 Judgment questions 】 The breaking force of shackle is not calculated , It can be overloaded during operation .（）（  ×  ）

50、【 Judgment questions 】 In the event of a sudden power failure , The main circuit switch shall be cut off immediately , Then turn all control handles to the zero position .（  √  ）

51、【 Judgment questions 】 Timely report of electric shock accident is the key of the whole first aid work .（）（  ×  ）

52、【 Judgment questions 】 A force can exist apart from an actual object .（  ×  ）

53、【 Judgment questions 】 In order to learn from the accident , The only correct way is to seriously deal with the person responsible for the accident .（）（  ×  ）

54、【 Judgment questions 】 The lowest temperature of flash is called flash point , The lower the flash point , The less dangerous .（）（  ×  ）

55、【 Judgment questions 】 The commander shall participate in the selection of handle or knob by the crane driver .（  ×  ）

56、【 Judgment questions 】 The diameter of the short chain is 10mm, The allowable tension is 7000kg.（  ×  ）

57、【 Judgment questions 】 Lifting operation shall have clear safety responsibilities and strict safety management .（）（  √  ）

58、【 Judgment questions 】 When placing objects , When the action line of the center of gravity of the object approaches or exceeds the edge of the supporting surface of the object , The object is still in a stable state .（  ×  ）

59、【 Judgment questions 】 The best included angle of two steel wire ropes for hoisting is 60°.（）（  √  ）

60、【 Judgment questions 】 The trigonometric function formula can be used to calculate the two components of a known force （ Known component direction ）.（  √  ）

61、【 Judgment questions 】 Safe color , Green indicates that 、 Safe state 、 Current .（）（  √  ）

62、【 Judgment questions 】 When using multiple ropes to bind objects , We should adjust the supporting rope in the process of trial lifting. , Prevent uneven stress of rope due to different length , Cause an accident .（  √  ）

63、【 Judgment questions 】 Loss of voltage protection is the same concept as the loss of voltage coil breaking of the main circuit breaker .（  ×  ）

64、【 Judgment questions 】 The reason for the difficult starting of the cage may be the overload of the load and the excessive dislocation of the guide rail joint .()（  √  ）

65、【 Judgment questions 】 Failure to comply with the rules and regulations , Accidents will come to the door .（）（  √  ）

66、【 Judgment questions 】“ The hook moves slightly horizontally ” The general gesture signal is ： The forearm extends naturally to the upper side , Five fingers together, palm facing outward , In the direction that the load should run , Repeat the slow horizontal movement .（  √  ）

67、【 Judgment questions 】 The crane driver must do “ Four understand ”, Namely “ Understand the principle 、 Understand structure 、 Understand performance 、 Understand manufacturing process ”.（）（  ×  ）

68、【 Judgment questions 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , After handling the use registration of special equipment , Even if it is not inspected regularly or fails to pass the inspection , Can still be used .（）（  ×  ）

69、【 Judgment questions 】 The stress generated under the action of torsional force is called torsional stress .（  √  ）

70、【 Judgment questions 】 When loading and unloading equipment , Use hand pushing equipment or hoisting wire rope in contact with the equipment , To prevent equipment or heavy objects from swinging .（  ×  ）

71、【 Judgment questions 】 In the thunderstorm season , Independent scaffolds such as well frame erected , It's higher than 15m when , Lightning rod must be installed , The grounding resistance shall not be greater than 15Ω.（  ×  ）

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

73、【 Judgment questions 】 The steel rail of the crane can be connected to the protective grounding circuit . however , They cannot replace the protective conductor from the power supply to the lifting machinery .（  √  ）

74、【 Judgment questions 】 Inflammable and explosive articles such as oxygen cylinders 、 Acetylene cylinder can be lifted with steel wire rope or white brown rope .（  ×  ）

75、【 Judgment questions 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , Production of special equipment （ Design 、 manufacture 、 install 、 reform 、 repair ） This Law shall apply to the safe transportation of and special equipment .（  ×  ）

76、【 Judgment questions 】 Check the use correctness of lifting tools, including specifications 、 Whether the model, arrangement and use method are correct .（  √  ）

77、【 Judgment questions 】 Rear lift limiter , The power source in the rising direction shall be cut off .（  √  ）

78、【 Judgment questions 】 The condition of buried objects is unknown , Do not lift or pull .（  √  ）

79、【 Judgment questions 】 During outdoor maintenance , Strong winds above force six , No working at height .（  √  ）

80、【 Judgment questions 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , In violation of the provisions of this law , Constitute a violation of public security administration , Investigate criminal responsibility according to law .（）（  ×  ）

81、【 Judgment questions 】 When calculating the mass of an object , You must know the density of the material .（  √  ）

82、【 Judgment questions 】 In the connection of steel wire rope, due to the high quality of large connection joint , It can ensure that the joint section of the steel wire rope is similar to that of the original steel wire rope , Therefore, it can be used for winch 、 Pulley block .（  √  ）

83、【 Judgment questions 】 The pulling force required by the pulley group when lifting heavy objects decreases exponentially with the increase of the number of ropes .（  ×  ）

84、【 Judgment questions 】 All kinds of loads with constant size and position acting on an object are called static loads .（  √  ）

85、【 Judgment questions 】 The fixed wire rope end on the drum of the electric hoist, and the wire rope pressing plate shall not be less than 2 only .（  ×  ）

86、【 Judgment questions 】 When the mobile crane lifts objects , The outrigger support is found to be unstable , The outriggers should be adjusted immediately .（）（  ×  ）

87、【 Judgment questions 】 When the number of doors of the pulley group reaches a certain number , Due to the increase of friction , The friction generated when the weight slides is greater than the gravity of the weight , So that the heavy object cannot slide freely , Self locking occurs .（  √  ）

88、【 Judgment questions 】 The steel wire rope on the drum is released less due to the lowering of the hook 、 But you can't finish , In addition to the retaining ring, at least 2～3 circle ( Safety circle ), In order to avoid accidents caused by all wire ropes being pulled off .（）（  √  ）

89、【 Judgment questions 】 Rescuers should use nearby tools to make the person who gets an electric shock disconnect from the power supply in the shortest time .（）（  ×  ）

90、【 Judgment questions 】 In actual operation , Relevant operators need to select steel wire ropes of corresponding specifications through evaluation 、 Shackles and other lifting appliances 、 Rigging .（）（  √  ）

91、【 Judgment questions 】 Load can be divided into static load and dynamic load .（）（  √  ）

92、【 Judgment questions 】 Lifting rigging 、 Tools, etc. can be used safely within the range of breaking force .（）（  ×  ）

93、【 Judgment questions 】 Third, do not hurt, that is, do not hurt yourself , Don't hurt others , Not hurt by others .（  √  ）

94、【 Judgment questions 】 The key and key point of stable lifting is that the hook is limited directly below the center of gravity of the object .（）（  ×  ）

95、【 Judgment questions 】 The mobile crane is characterized by good mobility .（）（  √  ）

96、【 Judgment questions 】 The advantage of chain is that it has great breaking force , Therefore, it can withstand impact load .（）（  ×  ）

97、【 Judgment questions 】 When using row transportation equipment , The center of gravity of the equipment should be a little later in the center of the row , Eli fed into the rolling bar .（  √  ）

98、【 Judgment questions 】 It is strictly forbidden to wash with water when maintaining electrical equipment .（  √  ）

99、【 Judgment questions 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , The State enforces special equipment safety liability insurance .（  ×  ）

100、【 Judgment questions 】 When the commander stands at a high place to command , Safety requirements for work at heights shall be strictly observed .（  √  ）

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