Source of the question bank: Safety production simulation exam one-point public number mini program
Safety Production Simulation Exam One Point Pass: 2022 Mobile Crane Driver Exam Titled Theoretical Exam Topics Prepared by Students Preparing for the Mobile Crane Driver Operation Certificate, And the Mobile Crane Driver Simulation Exam, updated every month, wishes you a smooth pass of the Mobile Crane Driver Exam.
1. [Multiple choice questions] The main contents of the Work Safety Law of the People's Republic of China: ( ). （ ACD ）
A. It must be people-oriented
B. In order to protect the safety and health of workers
C. The basic conditions for the activities of safe production operators
D. Investigate the responsibility of the person responsible for the production safety accident according to law
2. [Multiple choice question] according to the winding direction of the wire rope is divided into: ( ). （ CD ）
A. Wrap the rope around it
B. Lower winding rope
C. Left rope
D. Right rope
3. [Multiple choice question] The scrapping standard of the wire rope is ( ) and so on. （ ABCD ）
A. The number of wire breaks in a twist distance reaches the specified standard
B. When the diameter of the wire rope is reduced by 7%.
C. The local outer steel wire is in the shape of a "cage"
D. The whole strand breaks
4. [Multiple choice question] The sound signal used by the driver is: ( ). （ ACD ）
A. A long voice
B, two long voices
C. A short sound
D. Two short sounds
5. [Multiple choice question] When the fire alarm is declared: ( ). （ ABC ）
A. The location of the fire, the name of the road, the nearby intersection
B. Unit name and telephone number
C. Fire items
D. Whether anyone was injured
6. [Multiple choice question] The crane driver should do a good job of the crane operated ( ) and so on. （ AB ）
A. Adjustment
B. Lubrication
C. Cleaning
D. Repair
7. [Multiple choice question] The general performance of diesel engine overheating is ( ). （ ACD ）
A. The oil temperature rises
B. The fuel temperature rises
C. The effluent temperature rises
D. The exhaust gas temperature rises
8. [Multiple choice question] The requirements for brakes are ( ). （ ACD ）
A, safe, reliable, enough braking torque
B. The structure is complex and the action is simple
C. The upper gate is stable and the loosening gate is rapid
D, there is enough strength and stiffness
9, [multiple choice question] object flipping is a kind of operation that crane drivers often encounter, and the common ones are:( ). （ ABCD ）
A. Flip over
B. Flip over
C. With flip
D. Flip in the air
10. [Multiple choice question] The basic requirements for crane driver operation are in addition to "stability" should also be ( ). （ ABCD ）
A、准
B. Fast
C. Security
D. Reasonable
11. [Multiple choice question] In line with the provisions of the "ten non-hanging" of lifting operation, there are: ( ). （ BCD ）
A. The sisuo worker does not wear a hard hat and does not hang
B. The workpiece is buried in the ground and does not hang
C. The workpiece is bundled and hung not firmly
D. The safety device of the lifting machinery fails and does not hang
12. [Multiple choice question] The overall circuit of the crane is composed of ( ) part. （ BCD ）
A. AC circuit
B. Lighting circuit
C. Main circuit
D. Control circuit
13. [Multiple choice question] In the process of lifting and transporting, objects should pay attention to:( ). （ ABC ）
A. It is not allowed to cross over personnel
B. Do not move on the wire
C. Timely issuance of warning signals
D. Maintain a distance of 0.2m from the ground object
14. [Multiple choice question] The working speed of the mobile crane refers to: ( ). （ ABCD ）
A. Lifting speed
B. Amplitude change speed
C. Rotation speed
D. Walking speed
15. [Multiple choice question] The hydraulic cylinder used for amplitude change can be divided into ( according to its different positions). （ ABD ）
A. Forward tilting
B. Backward tilt type
C. Front pull-up
D. Pull-back type
16. [Multiple choice questions] The following are common gesture signals: ( ). （ ABD ）
A. The hook rises
B. The work is over
C. The crane moves forward
D, to the main hook
17. [Multiple choice question] Brief history of the accident: In a machine factory, drivers Chen mou and Li mou were ready to enter the 20-ton electromagnetic crane cab operation in the afternoon. The crane was found to have slipped and could not be accessed at the landing. So Li climbed on the top platform into the cab, opened the electric gate, the crane did not move (can not transmit electricity), Li closed the passage railing door, did not accurately stop at the cab platform after starting, turned over and reversed the operation, and clamped the neck of Chen Mou, who was about to board the car, between the column and the cab shell, and died on the spot. Accident investigation: The equipment lifting trolley operating mechanism is positioned correctly and the braking is effective. Each safety device is complete and complete, and the working machine is effective. Car brake friction pad unilateral contact brake relaxation, electrical interlock protection, zero position protection reliable, medium speed (41 m / min) car braking distance of about 7 meters. Accident Cause Analysis:( ) （ BD ）
A. Electrical interlock protection fails
B. Improper adjustment of the brakes of the big car
C. Electrical zero protection fault
D. The driver lacks safety awareness
18, [multiple choice] Brief history of the accident: a 10t bridge crane was installed in a mold company, when two cars hoisted the main girder at the same time, the binding wire rope suddenly broke, resulting in falling to the ground, causing the main girder to be seriously bent and deformed, fortunately did not cause casualties. Accident investigation: After investigation: the two car cranes are the company according to the small advertisement posted on the side of the road to undertake the lifting work, the rental crane unit has no crane hoisting qualification, and the driver has no operation certificate. Accident Cause Analysis:( ) （ ABC ）
A. The wire rope is tied incorrectly
B. Hoisting command error
C. Violation of Article 17 of the Regulations on the Safety Supervision of Special Equipment
D. The stiffness of the main beam of the falling crane is poor
19. [Multiple choice question] Lifting machinery for regular maintenance and regular self-inspection is divided into ( ) ( ABC )
A. Inspection of each shift
B. Monthly inspection
C. Annual inspection
D. Two-year inspection
20. [Single choice question] According to the number of twists of the wire rope, it is not suitable for use as a lifting rope: ( ). （ A ）
A. Single winding rope
B. Double winding rope
C. Three winding ropes
21. [Single choice question] The approximate calculation formula for the permissible load value of the buckle is: (for the pin diameter: mm) ( ). （ A ）
A、4d2
B、7d2
C、10d2
22. [Single choice question] The crane work level symbol is: ( ). （ B ）
A、S
B、A
C、Gn
23. [Single choice question] When the wire rope on the reel is released the most when working, the remaining part of the reel should at least be wound ( ) in addition to the number of turns at the end of the fixed rope. （ B ）
A、1～2圈
B. 2 to 3 laps
C. More than 5 laps
24. [Single choice question] The hook hook head twists and deforms more than ( ) should be scrapped. （ A ）
A、10°
B、12°
C、5°
25. [Single choice question] When the wall of the drum is worn up to the original wall thickness ( ), it should be scrapped. （ C ）
A、8%
B、10%
C、20%
26. [Single Choice Question] Units producing, operating and using special equipment shall comply with the "Special Equipment Safety Law of the People's Republic of China" and other relevant laws and regulations, establish and improve the special equipment safety and energy-saving responsibility system, strengthen the safety and energy-saving management of special equipment, ensure the safety of production, operation and use of special equipment, and meet the requirements of ( ). （ C ）
A. Economic operation
B. High efficiency operation
C. Energy saving
D. Security
27. [Single choice question] The brake form of the common crane mechanism is: ( ). （ C ）
A. Disc type
B. Belt type
C. Block type
28. [Single choice question] The steel that is sucked by electromagnetic suspension, the higher the temperature, the more magnetic ( ). （ C ）
A. The higher
B. Unchanged
C. The worse
29. [Single choice question] When the hook bushing wears out to the original size ( ), the bushing should be scrapped. （ C ）
A、10%
B、15%
C、50%
30. [Single choice] Motor is a kind of power equipment that converts ( ) into mechanical energy and outputs mechanical torque. （ A ）
A. Electrical energy
B. Thermal energy
C. Mechanical energy
31, [single choice] If a short circuit or serious overload occurs in the circuit, it is necessary to quickly cut off the power supply, and the relay that undertakes this task is called ( ) relay. （ B ）
A. Time
B. Overcurrent
C. Heat
32. [Single Choice Question] The occurrence of casualties shall be investigated by the special equipment safety management department of the districted city in conjunction with the relevant departments to organize an accident investigation team. （ A ）
A, general accident
B. Serious accidents
C. Major accidents
33. [Single choice question] The operating mechanism of the car crane or track crane is usually ( ). （ B ）
A. Cam controller
B. Hydraulic pusher
C. Linkage table
34. [Single choice] The crane working in the open air needs to be equipped with an anti-slip device to prevent being blown by the strong wind, and the rail clamper suitable for large cranes is ( ). （ C ）
A. Manual
B. Electric spring type
C. Hydraulic spring type
35. [Single choice question] When the crawler crane needs to walk with load, the load shall not exceed the allowable lifting weight:( ). （ A ）
A、70％
B、80％
C、60％
36. [Single choice question] When the crane is minor or overhauled, the driver should cooperate with the repairman to work together and participate in the work in addition to completing his own work. （ C ）
A. Cleanliness
C. Acceptance
37. [Single choice question] The crawler crane should be slow and stable when changing the magnitude of the political change, and it is strictly forbidden to stop before the crane arm is stabilized ( ). （ C ）
A. Emergency stop
B. Start the rotating mechanism
C. Change gear
38. [Single Choice Question] The Regulations on the Safety Supervision of Special Equipment stipulate that the safety technical file should have records of the operation of special equipment and accident records. （ A ）
A. Failure
B. Shift transfer
C. Work
D. Daily
39. [Single Choice] The special equipment referred to in the "Regulations on the Safety Supervision of Special Equipment" refers to boilers, pressure vessels (including gas cylinders), (including gas cylinders), elevators, lifting machinery, passenger ropeways, large amusement facilities, and special motor vehicles in the field (factory) that involve life safety and are more dangerous. （ A ）
A. Pressure pipeline
B. Industrial pipelines
C. Long-distance pipelines
D. Public pipelines
40. [Single Choice Topic] The Regulations on the Safety Supervision of Special Equipment stipulate that the production license system shall be uniformly implemented by the ( ) department for special equipment that implements the production license. （ B ）
A. State Administration of Work Safety
B. General Administration of Quality and Technical Supervision, Inspection and Quarantine of the People's Republic of China
C. The competent department of construction under the State Council
41. [Single Choice Question] The Law of the People's Republic of China on the Safety of Special Equipment stipulates that the unit using special equipment shall, in accordance with the requirements of the safety technical specifications, submit regular inspection requirements to the special equipment inspection agency in the month before the expiration of the validity period of the inspection. （ A ）
A、1
B、2
C、3
D、6
42. [Single Choice Question] Any unit or individual has the right to report violations of the provisions of the "Regulations on the Safety Supervision of Special Equipment" to the special equipment safety supervision and management department and the relevant departments such as ( ). （ C ）
A. Disciplinary inspection
B. Safety supervision
C. Administrative supervision
D. Labor inspection
43. [Single Choice Question] The Law of the People's Republic of China on the Safety of Special Equipment has been in force since 2014. （ A ）
A, Jan.
B, July 1
C, September 16
D, Oct.
44. [Single choice] After the car and tire crane start to operate normally, the hydraulic pump is connected, the pressure reaches the specified value, and the oil temperature exceeds ( ) before the operation can begin. （ B ）
A、20°
B、30°
C、40°
45. [Single choice] The protective cover is a very important safety accessory on the crane, which can effectively prevent the operator and maintenance personnel from being ( ). （ C ）
A. Injuries
B. Abrasions
C. Involvement
46, [single choice question] In order to eliminate the swaying of the hook, the operator should pay attention to observation, the general swing is large, and the distance with the car is (). （ B ）
A. Small
B. Big
47. [Single choice question] When the wire rope is connected by a rope card, the number of cards is generally not less than ( ). （ A ）
A、3
B、4
C、5
48. [Single choice question] According to the direction of the twisting of the wire rope, it is divided into smooth, crossed and mixed, of which the one that is widely used as a lifting rope is ( ). （ B ）
A. Follow the rope
B. Cross the rope
C. Mixed rope
49. [Multiple Choice Question] General gesture signal, the arm is straightened above the head, the five fingers are naturally extended, and the palm of the hand is held forward to show that :( ). （ A ）
A. Preparation
B. The main hook is required
C. End of work
50. [Judgment question] The magnification of the pulley group refers to the multiple of the pulley group's labor saving or the multiple of the pulley group's growth rate. （ √ ）
51. [Judgment question] The slippage phenomenon of the wheel is caused by the serious wear of the wheel diameter. （ √ ）
52. [Judgment Question] The whistle signal is urgent and long-sounded is an emergency stop. （ √ ）
53. [Judgment Question] If a certified operator obtains the "Special Equipment Operator Certificate" by cheating on the examination or by other fraudulent means, the "Special Equipment Operator Certificate" shall be revoked and shall not be applied for again within 1 year. （ × ）
54. [Judgment Question] Artificial respiration should also be carried out on the way to the hospital for artificial respiration of electrocuted people. （ √ ）
55. [Judgment question] The stroke limiter should ensure that its mechanism automatically cuts off the power supply when it runs to the limit position. （ √ ）
56. [Judgment Question] In normal operation, reverse braking is strictly prohibited. （ √ ）
57. [Judgment Question] It is generally believed that when the radius of curvature of the inner circumference of the wire rope is greater than 6 times the diameter of the rope, the lifting capacity is not affected. （ √ ）
58. [Judgment question] Amplitude indicator, should ensure that the flow crane with the amplitude changing mechanism can correctly indicate the amplitude of the spreader. （ √ ）
59. [Judgment Question] The fixed pulley is generally installed in the middle of the frame. Because there is a protective cover on it, it is not easy to observe, and when checking, you should pay attention to whether the pulley rotates flexibly and whether the wheel rim is damaged. （ √ ）
60. [Judgment Question] When using the device rope card, it only needs to have the same specifications, and the pressure plate direction can be placed arbitrarily. （ × ）
61. [Judgment question] The most widely used wire rope on the crane is the wire rope in line contact. （ √ ）
62. [Judgment Question] When lifting weights on the channel, the weight should be 0.5 meters higher than the highest equipment on the ground. （ √ ）
63. [Judgment Question] Before closing the main switch of the operation table, all controllers should be in the zero position. （ √ ）
64. [Judgment Question] The button switch is a small current electrical appliance that is acted when the hand is pressed, and the hand is released to release the reset. （ √ ）
65. [Judgment question] In the process of operation, the relevant management personnel of the unit force the employees to carry out risky operations, and the employees should report to the relevant person in charge of the unit while working. （ × ）
66. [Judgment question] According to its use, the resistor should be divided into two types: the starting resistor and the starting speed regulation resistor. （ √ ）
67. [Judgment Question] Use wheels without rims, and horizontal wheels should not be installed on both sides. （ × ）
68. [Judgment Question] If someone is found to be electrocuted, the electrocuted person should be removed from the current as soon as possible. （ √ ）
69. [Judgment Question] Do not use the lifting limiter to do the use of lifting and parking. （ √ ）
70. [Judgment Question] The purpose of adjusting the working length of the main spring is to obtain a suitable opening amount of brake pads. （ × ）
71. [Judgment Question] The driver shall not operate the crane operation with the failure of the safety device. （ √ ）
72. [Judgment Question] All heavy objects shall be prohibited from crossing over personnel. （ √ ）
73. [Judgment question] The lubrication of the rotating part of the crane should be lubricated with a thin oil pot in the work. （ × ）
74. [Judgment Question] There are two kinds of ascending operations, one is the driver operation; The second is that the driver overhauls the equipment and main parts. （ × ）
75. [Judgment Question] The national label of the mainland lifting and hoisting command signal is GB5082-85. （ √ ）
76. [Judgment Question] When the hanging object is placed on the ground, it is necessary to drop the rope and get rid of the hook immediately. （ × ）
77. [Judgment question] Commonly used fire extinguishing equipment includes dry powder, carbon dioxide and other fire extinguishers. （ √ ）
78. [Judgment Question] After the crane driver finishes his work, he can leave the crane by placing all the handles in the zero position. （ × ）
79, [Judgment Question] Frequently and carefully check the crane, do a good job of adjustment, lubrication, fastening, cleaning, etc., to ensure the normal operation of the mechanism is called maintenance. （ √ ）
80. [Judgment question] The weight of the lifting electromagnet itself must be included in the rated lifting capacity of the crane. （ √ ）
81. [Judgment Question] Crane drivers should abide by the provisions of "ten non-hanging" in lifting operations. （ √ ）
82. [Judgment Question] The hook is the most widely used in the object retrieval device. It is characterized by simple manufacturing and strong applicability. （ √ ）
83. [Judgment Question] The role of the emergency switch is to quickly cut off the power supply in an emergency. （ √ ）
84. [Judgment Question] The angle of the wire rope used for the sling is greater than 120 °. （ √ ）
85. [Judgment Question] The unit using special equipment shall conduct special equipment safety and energy-saving education and training for special equipment operators to ensure that special equipment operators have the necessary knowledge of special equipment safety and energy saving. （ √ ）
86. [Judgment Question] During the lifting process, the driver should obey the "emergency stop" signal issued by anyone. （ √ ）
87. [Judgment question] The crane hook is inspected once a year and cleaned and lubricated. （ × ）
88. [Judgment Question] Control the lifting speed, so that "both ends are fast, and the middle is slow". （ × ）
89. [Judgment Question] After the completion of the work, the hook should be raised to a height close to the upper limit position, and it is not allowed to hang the spreader, hanging object, etc. （ √ ）
90. [Judgment Question] The special equipment referred to in the Law of the People's Republic of China on the Safety of Special Equipment, which came into effect on January 1, 2014, refers to seven types of equipment involving life safety and greater danger, boilers, pressure vessels (including gas cylinders), pressure pipelines, elevators, lifting machinery, passenger ropeways and large-scale amusement facilities. （ × ）
91. [Judgment question] The multi-layer winding drum on the crane should not have a flange at the end. （ × ）
92. [Judgment Questions] It is not allowed to throw materials, tools, etc. at a high place. （ √ ）
93. [Judgment question] An anti-rope safety device should be provided on the hook. （ √ ）
94. [Judgment Question] When working at height, it is not allowed to throw debris and parts on the ground. （ √ ）
95. [Judgment Question] The Law of the People's Republic of China on the Safety of Special Equipment requires all units of special equipment to conduct regular verification and maintenance of the safety accessories and safety protection devices of the special equipment they use, and when necessary, they should also make records. （ × ）
96. [Judgment Question] In the rotating crane work area, personnel should stand outside the rotation range of the lifting motor arm. （ √ ）
97. [Judgment question] The smaller the braking stroke of the brake, the safer it is. ( )（ × ）
98. [Judgment Question] The "Regulations on the Safety Supervision of Lifting Machinery" has been issued on November 27, 2006. The General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China has deliberated and approved it, and is hereby promulgated and shall come into force on June 1, 2007. （ √ ）
99. [Judgment question] Brake wheels of the lifting mechanism and the luffing mechanism should be scrapped when the thickness of the wheel rim wears out to 40% of the original thickness. （ √ ）
100. [Judgment question] The command gesture commonly used in the operation of various types of cranes is called a general gesture signal. （ √ ）
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