[Multiple choice question] The "Special Equipment Safety Law of the People's Republic of China" stipulates that special equipment has serious accident hazards, has no value for transformation or repair, or has met other scrapping conditions stipulated in the safety technical spec

question bank source: Production Safety Simulation Examination Yitong Official Account Mini Program

2022 Crane Machinery Command Review Question Bank is Crane Machinery Command Review Question Bank New Version Textbook Outline Question Bank! The 2022 lifting machinery command examination questions and mock examinations are compiled based on the latest textbooks for lifting machinery command. The crane machinery command examination materials can be learned simultaneously at any time according to the production safety simulation examination.

1. [Multiple choice question] The "Special Equipment Safety Law of the People's Republic of China" stipulates that special equipment has serious accident hazards, has no value for transformation or repair, or has met other scrapping conditions stipulated in the safety technical specifications, fails to fulfill the scrapping obligations in accordance with the law, and completes the cancellation procedures for the use registration certificate, shall be ordered to stop using the relevant special equipment and shall be fined () or above () or below. (BD)

A, 2,000 yuan

B, 30,000 yuan

C, 100,000 yuan

D, 300,000 yuan

2, [Multiple choice question] The " lifting machinery safety supervision regulations " stipulates that the user unit shall establish a lifting machinery safety technical file. The following () belongs to the contents of the safety technical archives of lifting machinery: (ABCD)

A, design documents, product quality qualification certificate, supervision and inspection verification certificate, installation technical documents and materials, use and maintenance instructions;

B, type test qualification certificate of safety protection device;

C, regular inspection report and regular self-check records;

D, daily usage status records and daily maintenance records;

3, [Multiple choice question] Practitioners have eight rights, and the following () belongs to the eight contents. (ABCD)

A, right to know

B, right to suggest

C, right to reject

D, right to emergency avoidance

4, [Multiple choice question] The following statement about hook is correct (). (ABCD)

A. Casting hooks should not be used. Forged hook defects should not be re-welded

C. Anti-decoupling device should be installed. Cracks should not be allowed on the surface of the hook.

5. [Multiple choice question] The purpose of formulating the " Special Equipment Operator Supervision and Management Measures

2" is (). (ABC)

A. Strengthen the supervision and management of special equipment operators

B. Standardize the assessment and issuance procedures for operators

C. Ensure the safe operation of special equipment

D. Benefiting to supervise the operating process of special equipment operators

6. [Multiple choice question] Area calculation is required during construction, in order to reasonably choose: (). (AC)

A, construction site

B, saving expenses

C, construction method

D, saving personnel

7, [Multiple choice question] A long sound in the audio signal indicates: (). (BD)

A, emergency stop

B, stop

C, rise

D, prepare

8, [Single choice question]

1 Find the weight of a brass column with a side length of 200 mm and a height of 2 meters? (Density 8.6kg/dm3) Q=ρ×2.598b2h (B)

A, 178.74kg

B, 1787.4kg

C, 17.874kg

9. [Single choice question] " Special Equipment Safety Law of the People's Republic of China " stipulates that the accident investigation team shall conduct investigations in accordance with the law, independently, and () and submit an accident investigation report. (C)

A, public

B, fair

C, fair

10, [Single choice question] The "Special Equipment Safety Law of the People's Republic of China" stipulates that in violation of the provisions of this Law, special equipment safety management personnel, testing personnel and operating personnel fail to perform their job responsibilities, violate operating procedures and relevant safety rules and regulations, (), and revoke the qualifications of relevant personnel.(B)

A,

B, causing the consequences,

C, causing the accident,

11, [Single choice question] "Single choice Regulations on Crane Machinery Safety Regulations Part 1: General Provisions" (GB/T6067.1-2010) stipulates that when the ends of the crane wire rope are fixedly connected with rope clamps, the spacing between the rope clamps should not be less than () times the diameter of the wire rope. (C)

A, 3

B, 4

C, 6

D, 8

12, [Single choice question] The following is not completely part of the "cross" operation method content (). (D)

A,． Lift, pry, bundle, hang

B, slide, turn, roll, roll

C, hang, top, hang, slide

D, bundle, top, slide, transport

13, [Single choice question] The force and reaction force between two objects are along the () line of action, acting on the two objects respectively. (A)

A, the same

B, different

14, [Single choice question] If the employees in the enterprise exceed (), a safety production management organization shall be set up or full-time safety production management personnel shall be equipped. (C)

A, 100 people

B, 200 people

C, 300 people

D, 400 people

15, [Single choice question] The force acting on the same point and forming an angle to each other is called (). (B)

A, radial force

B, common point force

16, [Single choice question] Boom cranes should all be equipped with torque limiters, and the comprehensive error should not be greater than (). (A)

A, 10%

B, 20%

17, [Single choice question] Pythagorean theorem represents that the sum of squares of two right-angled sides of a right triangle is equal to the square of (). (A)

A, oblique edge

B, another right-angle edge

C, high

D, diagonal

18, [Single choice question] If the angle between sling exceeds (), the sling is too strong. (C)

A, 60°

B, 90°

C, 120°

19. [Single choice question] When lifting objects, in order to ensure the stability of objects during lifting, () should be used. (C)

A, the hook hanging point and the center of gravity of the object being hung as close as possible;

B, the hook hanging point and the center of gravity of the object being hung as far as possible;

C, the hook hanging point and the center of gravity of the object being hung are on the same plumb line;

D, the center of gravity of the object being hung is lower

20, [Single choice question] When commanding the arm rod and the hook at the same time, the commander should () when commanding with the flag language . (C)

A, command arm rod with red flag in the right hand

B, command hook with green flag in the left hand

C, command hook with green flag in the right hand

21, [Single choice question] In (), you should pay attention to the working conditions of each safety device. Watch the working status of the controller, ammeter , voltmeter , contactor , relay . (C)

A,

B before running,

C after running,

22 during running, [Single choice question] As shown in the figure, what security identifier does this icon represent?

(D)

A, beware of laser

B, beware of eye

C, beware of ray

D, beware of arc

23, [Single choice question] As shown in the figure, what safety logo does this icon represent?

(C)

A, beware of falling objects

B, beware of people

C, beware of hanging objects

24, [Single choice question] As shown in the figure, what signal does this icon represent?

(A)

A, lifting arm

B, lowering arm

C, rotating arm

D, slightly lifting arm

25, [Single choice question] If the pulley diameter () steel wire rope used with the wire rope is easy to be damaged.(B)

A, too large

B, too small

26, [Single choice question] Hard helmet is a hard helmet made of a variety of materials, and is specially designed to protect people (). (C)

A, foot

B, chest

C, head

27, [Single choice question] For comparing the center of gravity of regular-shaped objects, the () method is often used to obtain the center of gravity of the entire object. (D)

A, visually measured

B, weigh

C, estimate

D, find out the center of gravity of each part of the composition, use the principle of torque balance to calculate

28, [Single choice question] When the voltage level of the power line is 500 kV, the safe distance from the power line conductor should be: (). (C)

A, 3m

B, 6m

C, 9m

29, [Single choice question] Command personnel () load calculation and the correct choice of rigging spreader. (A)

A, should be responsible for

B, not responsible for

30, [Single choice question] In the command term, the three short sounds of the audio signal "●●●●" means (). (B)

A, rising

B, falling

C, micro-move

D, emergency stop

31, [Single choice question] In command terms, the audio symbol "—" means (). (A)

A, long-sound symbol

B, short-sound symbol

C, symbol

D, symbol

D, rising symbol

32, [Single choice question] The safe working distance between oxygen cylinder and acetylene cylinder , the following correct option is the () item. (C)

A, 3-meter

B, 1.5-meter

C, 5-meter

D, 10-meter

33, [Single choice question] The wheel groove wall thickness of the pulley is worn to the original wall thickness () scrapped. (C)

A, 10%

B, 15%

C, 20%

34, [Single choice question] The function of pulley group is mainly (). (B)

A, change the direction of tension

B, achieve the goal of saving effort

C, maintain the balance of the object

35, [Single choice question] The gravity line of the object exceeds the support surface of the object, and the object will be lost. Safe production simulation exam passes and debalances. At this time, the object is in the () state. (A)

A, overturning

B, unstable

36, [Single choice question] The effect of object rotation is proportional to the force and the size of force arm . (A)

A, positive

B, anti-

37, [Single choice question] Special equipment user units shall strictly implement the provisions of the "Special Equipment Safety Law of the People's Republic of China" and laws and administrative regulations on production safety to ensure the (). (D)

A, economical operation;

B, high efficiency operation;

C, energy-saving operation;

D, safe use of

38, [Single choice question] The size of the resistor has nothing to do with (). (A)

A, current;

B, material;

C, length;

D, cross-section

39, [Single choice question] white brown rope has a low strength, and generally the tensile strength of white brown rope is only about () of the same diameter steel wire rope. (C)

A, 50%

B, 30%

C, 10%

40, [Single choice question] When the wire rope sling lifts the heavy object after binding, the angle between the branches should generally not exceed (). (A)

A, 90°

B, 80°

41, [Single choice question] Professional ethics is social morality ().(A)

A,．

B in professional life,

C in family life,

D in international interactions,

42 in human interactions,

42 in human interactions, [Single choice question] When the person who is electrocuted breathing and heartbeat stops, he orally ex vivo heart squeezing method and oral-to-oral artificial respiration method must be performed at the same time, and at the same time, he/she asks the hospital for emergency help. First aid phone number is (). (A)

A, 120

B, 110

C, 119

43, [Single choice question] Methods for dealing with sudden fires during the use of the crane. 1. Use dry powder or carbon dioxide fire extinguisher to extinguish the fire 2. Pull down the switch to switch off the power 3. Put the handle to zero, or pull down the emergency switch 4. If the fireworks are very large and difficult to extinguish, escape in time and call 119 to call the alarm. What is the order of processing? (A)

A, 3-2-1-4

B, 2-3-4-1

C, 4-1-2-3

D, 1-2-4-3

44, [Single choice question] Methods for dealing with sudden power outage during crane operation. 1. The driver should first put all controller handles in zero position 2. Pull down the protection box switch 3. If the power is out of power for a short time, the driver will wait patiently in the cab; if the power is out of power for a long time, the lifting mechanism brake should be pryed open and the download load should be placed 4. Ask about the power outage, what is the order of processing? (D)

A, 3-2-1-4

B, 2-3-4-1

C, 4-1-2-3

D, 1-2-4-3

45. [Single choice question] The rotation mechanism of a crane is composed of a driving device, a transmission device, () and a rotating device. (A)

A, brake device

B, security device

46, [Single choice question] The dangerous sections of hooks used for heavy operations are: (). (B)

A, 2

B, 3

C, 4

47, [Single choice question] When using rope cards at high altitude, leave a safety bend, and the straight line distance should not be less than: (). (A)

A, 500mm

B, 400mm

C, 300mm

48, [Single choice question] () is the most basic and important drawing in engineering drawings. It mainly shows the plan layout, mutual position, slope and direction, and connection method of the installation equipment and installation equipment. (A)

A, equipment installation floor plan

B, construction site floor plan

C, building structure drawing

D, basic schematic diagram

49, [Judgement question] The "Special Equipment Safety Law of the People's Republic of China" stipulates that special equipment accident emergency plans are formulated by local people's governments at all levels, and the user units only need to conduct emergency drills regularly. () ( × )

50. [Judgement Question] The "Special Equipment Usage Management Rules" require special equipment users to set up special equipment safety management agencies, equip corresponding safety management personnel and operating personnel, establish personnel management ledgers, carry out safety and energy-saving training and education, and keep personnel training records. () ( √ )

51. [Multiple choice question] The general lifting operation plans should be prepared before lifting operation. (√)

52. [Multiple choice question] Understanding the working environment is one of the four elements of lifting operations. () ( √ )

53. [Multiple choice question] After an accident, the injured should be rescued quickly, and the scene does not need to be retained. (×)

54. [Multiple choice question] To estimate the weight of an object, you must master the estimation method of the basic body size of the object. () ( √ )

55. [Multiple choice question] When using multiple ropes to bind objects, the ropes should be adjusted during the trial lifting process to prevent the ropes from being unevenly subjected to force due to different lengths, resulting in accidents. (√)

56. [Multiple choice question] I found someone was electrocuted, and the production safety test was passed. There was a one-time test. The power supply could not be cut off for some reasons. On the premise of ensuring the safety of the ambulance personnel themselves, appropriate measures should be taken to make the person who was electrocuted quickly get out of the charged body.(√)

57. [Judgement Question] The personnel in the search department should obey the command of the command personnel and notify the command personnel in time when unsafe conditions are found. (√)

58. [Judgement Question] There are floating animals on the hanging objects, and you can command the hanging and transport them. () ( × )

59. [Judgement Question] The safety factor of the sling, no bending lifting K=8~10. (×)

60. [Multiple choice question] In the hoisting area, someone should be supervised or red and white belts are used to prohibit others from staying or traveling. (√)

61. [Multiple choice question] In lifting operations, lifting machinery command should combine empirical estimation methods and scientific calculation methods. () ( √ )

62. [Multiple choice question] There is no rules to follow or not follow the safety production of lifting machinery. This is one of the reasons why some units have frequent accidents. () ( √ )

63. [Multiple choice question] The safety sign is composed of safety colors, geometric figures and prompt characters. () ( × )

64. [Multiple choice question] In the safety color, yellow indicates warning and attention. () ( √ )

65. [Multiple choice question] The force exerted by the guide pulley is related to the angle of the traction rope. (√)

66. [Multiple choice question] It is prohibited to directly correct ropes that have been tightened by heavy objects with your hands during work. (√)

67. [Multiple choice question] Commonly used electrical braking methods include regenerative power generation braking, reverse braking , energy consumption braking, and single-phase braking. (√)

68. [Multiple choice question] When any part of the shackle is generated, the defects such as cracks and plastic deformation should be repaired in time. (×)

69. [Multiple choice question] Check the insulation of each winding of the motor. If the insulation resistance is measured to be unqualified, power-on operation is not allowed. (√)

70. [Multiple choice question] Gesture signals include general gesture signals, dedicated gesture signals and other command signals. (×)

71. [Multiple choice question] Gesture signals include general gesture signals, special gesture signals and other command signals. () ( × )

72. [Multiple choice question] Pay attention to the environment when handling work and prohibit unrelated personnel from entering the scene. (√)

73. [Multiple choice question] The flag-word signal is a command signal represented by the stillness of the red and green flags, up and down, left and right waving movements. (√)

74. [Judgement Question] According to the "Supervision and Management Measures for Special Equipment Operators", if the special equipment operation is illegally directed, the employer shall be ordered to correct the situation and shall be fined between RMB 1,000 and RMB 30,000. (√)

75. [Multiple choice question] According to its structure, pulleys can be divided into: fixed pulleys , dynamic pulleys , guide pulleys and balance pulleys. () ( × )

76. [Multiple choice question] Combustion products, safety production simulation test One-pass refers to the gas, steam, liquid and solid substances generated during combustion. () ( √ )

77. [Judgement Question] Objects have attributes that maintain their original motion state, which is called inertia. That is, moving objects will remain in motion, while still objects will remain in motion. (√)

78. [Multiple choice question] Production and operation units must provide employees with labor protection supplies that meet the enterprise standards. (×)

79. [Multiple choice question] The wire rope used to lift melted or red hot metals, acid solutions, explosives, flammables and toxic materials. If the number of broken wires on the surface reaches half of the scrapping standard, it should be scrapped. (√)

80. [Judgement Question] electric single beam crane (suspended type electric hoist ) The trolley running mechanism also needs to set a stroke limiter. (×)

81. [Multiple choice question] The patient's breathing and heartbeat are still there, but he is in a coma. At this time, the injured should be lying prone to the air where the air is circulating and keep warm. () ( × )

82. [Judgement Question] The diameter of the rope should be determined based on the weight of the object, the number of ropes and the angle between the rope and the horizontal plane.(√)

83. [Judgement Question] To make the hanging object stable, the bottom of the hook hook and the center of gravity of the object must be on the same plumb line. () ( √ )

84. [Judgement Question] When lifting heavy objects, the moving parts attached to the object should be fixed, and the rope head left after binding should not be considered. (×)

85. [Multiple choice question] Before lifting, make sure that there are no people or obstacles around the lifting machinery. () ( √ )

86. [Multiple choice question] The command position of the lifting commander should see the entire process of load lifting. () ( √ )

87. [Multiple choice question] The crane should be equipped with suitable fire extinguishing equipment and pay attention to the validity period. () ( √ )

88. [Multiple choice question] The stop gear at the end of the rail on the crane can be welded to the track. (×)

89. [Multiple choice question] The windproof device of the crane should be able to withstand the maximum wind force under working conditions without being blown. (×)

90. [Multiple choice question] The windproof device of the crane should be able to independently withstand the maximum wind force in non-working states without being blown. (√)

91. [Multiple choice question] When the risky section wear of the end accessories of the short-ring chain is reduced by 20% of the original size, it should be scrapped. (×)

92. [Multiple choice question] Lifting rigging, tools, etc. can be used safely within the breaking tension range. (×)

93. [Multiple choice question] Lifting rigging, tools, etc. can be safely used within the range of breaking tension. () ( × )

94. [Judgement Question] The shape, external dimensions and structure of the heavy object are the basis for determining the center of gravity position and binding method of the object being hung. The internal structure of the heavy object is irrelevant. (×)

95. [Multiple choice question] Regenerative power generation braking is only used in situations where the speed of motor is higher than the synchronous speed. (√)

96. [Judgement Question] Severe corrosion of wire ropes will also cause the elasticity of wire ropes to decrease. (√)

97. [Judgement Question] When using wire ropes in corrosive environments, thermal insulation measures must be taken. () ( × )

98. [Judgement Question] The breaking tension estimation formula of the wire rope Sb=54d2 (kg), where d is the diameter of the wire rope (mm). () ( √ )

99. [Judgement Question] When the wear between the chain rings and the contact parts of the chain rings and the end accessories is reduced to 80% of the original nominal diameter, it should be scrapped. (√)

100. [Judgement Question] The wire rope core of a hemp core or cotton core can not only store oil and lubricate the internal steel wire, but also plays a rust-proof effect. (√)

supports the test questions for the precision lifting machinery command examination in various regions across the country, supports safety qualification certificate, special operation certificate , professional skills appraisal and other job question bank exercises.