Source of the question bank: Safety production simulation exam one-point public number mini program
2022 Heavy Machine Driver (Limited Bridge Crane) Exam Question Bank Crane Driver (Limited Bridge Crane) Mock Exam Question Bank Pre-Exam Questions! The theoretical question bank and answers for crane drivers (limited bridge cranes) from 2022 onwards are based on the syllabus of the crane driver (limited bridge crane) examination. Crane driver (limited bridge crane) review mock exam at any time according to the safety production mock exam to improve the test-taking ability.
1. [Multiple choice question] The purpose of the Special Equipment Safety Law of the People's Republic of China is (). （ ABCD ）
A. Strengthen the safety of special equipment
B. Prevent accidents in special equipment
C. Guarantee the safety of persons and property
D. Promote economic and social development
2, [multiple choice] Brief history of the accident: a 14t grab ship unloader at the dock of a transport company was in operation, two hoisting operators were working normally on the ship, and suddenly the grab was smashed head-on towards them, and the two could not dodge and were hit by the grab, causing one death and one injury. Accident investigation: the crane is used within the validity period of the inspection, the electrical and control system is not abnormal, the joystick joystick is not stuck, and it is in line with the direction of motion. Accident Cause Analysis: () (ABC)
A. Hoisting command error
B. There is a behavior of neglecting safety
C. The driver's operation is not standardized
D. The equipment is operating with disease
3. [Multiple choice question] For newly installed or overhauled cranes, it must be carried out (). （ BCD ）
A. General tests
B. No load test
C. Static overload test
D. Dynamic overload test
4. [Multiple choice question] How many methods are commonly used to tie up lifting equipment ()? （ ACD ）
A. Hanging method
B. Hemp rope
C. Locking method
D. Bundling method
5. [Multiple choice question] When the commander sends out the "preparatory" signal, he should look at (), the driver should answer the () signal before receiving the signal, and when the commander hears the answer signal, he can conduct the command. （ BC ）
A. Four weeks
B. Driver
C. Understand
D. Attention
6. [Multiple choice] The control mode of electric single-beam crane is usually ()(ABD)
A. Ground cable button box control
B. Driver's cab control
C. Computer control
D. Remote control
7, [multiple choice] electricity is a kind of energy () can not be touched (ABC)
A. Invisible
B. Can't hear
C, can't smell
D, can not buy
8, [multiple choice question] the rope core type of wire rope is (), the main role of the rope core is to support and lubricate the rope strands.. （ ABCD ）
A. Made of cotton
B. Hemp system
C. Asbestos
D. Metallic
9. [Single Choice] The Law of the People's Republic of China on the Safety of Special Equipment stipulates that after the installation, transformation and repair of special equipment is completed, the construction unit installing, transforming and repairing shall hand over the relevant technical information and documents to the unit using the special equipment within () days after acceptance. （ D ）
A、5
B、15
C、20
D、30
10. [Multiple Choice Question] A complete homework cycle generally includes (), lifting, panning, descending, unloading, and then returning to the original place. （ C ）
A. Parking
B. Start
C. Take the object
11. [Single Choice Question] Before the cage is dismantled, the non-disassembled operators () are active in the areas such as the ground protective fence, the construction lift operation channel, the guide rail frame and the attached wall frame. （ C ）
A、宜
B. Not appropriate
C. Not
D. Yes
12. [Single Choice] The capital investment necessary for the safe production conditions that the production and operation unit should have shall be the decision-making body of the production and operation unit, (), and shall bear the responsibility for the consequences caused by insufficient capital investment necessary for safe production. （ A ）
A. The main person in charge or the investor of the individual operation shall guarantee it
B. The relevant person in charge or the investor of the collective operation shall guarantee it
C. The relevant person in charge or the investor of the individual operation shall guarantee it
D. The main person in charge or the investor of the collective operation shall guarantee it
13. [Single choice question] In the construction site where the construction general contracting is implemented, which statement is correct in terms of safe production: () ( B )
A. If the subcontracting unit does not obey the management of the general contracting unit, the general contracting unit shall not be responsible for the accident;
B. The general contracting unit shall bear joint and several liability for the accident caused by the subcontracting unit;
C. All accidents are responsible for the general contracting unit;
D. All accidents are responsible for subcontracting units;
14. [Single choice] The construction of steel columns should use ladders or operating tables, and when welding has windproof requirements, the height of the operating platform crossbar should not be less than ()m. （ D ）
A、1
B、1.2
C、1.5
D、1.8
15. [Single choice question] The safety protection device shown by the arrow in the figure below is:()
（ B ）
A. Start button
B. Emergency power off switch
C. Power switch
16. [Multiple Choice Questions] Those who fail to pass the re-examination shall retake the examination. Those who do not apply for review or fail the examination within the time limit shall be given the "Special Equipment Operator Certificate". （ B ）
A. Re-examination
B. Logout
C. Reapply
17. [Single Choice Question] General accident refers to an accident that causes the death of () less than () person, or serious injury to less than 10 people, or direct economic losses of less than 10 million yuan (D)
A、7
B、10
C、5
D、3
18. [Single Choice Question] () Responsible for the issuance and management of safety production permits for non-centrally managed construction enterprises, and accept the guidance and supervision of the competent department of construction under the State Council. （ C ）
A. The competent department of construction under the State Council
B. Municipal construction administrative departments
C. The competent departments for construction of the people's governments of provinces, autonomous regions, and municipalities directly under the Central Government
D. The competent administrative department for construction at or above the county level
19. [Single choice question] Safety technical measures for operation at height and the materials and tools required must be included in the project (). （ B ）
A. Budget sheet
B. Construction organization design
C. Statement
D. Acceptance form
20. [Single Choice] Where a construction enterprise obtains a safety production license by fraud, bribery or other improper means, it shall revoke the safety production license and shall not apply for a safety production license again. （ D ）
A. Half a year
B. 1 year
C. 2 years
D. 3 years
21. [Single choice] The minimum safe operating distance between any part of the construction lift and the < 1kV overhead transmission line is ()( A)
A、4m
B、5m
C、6m
D、7m
22. [Single choice question] Pearlite is a mechanical mixture of ferrite and carburizing, and the mass fraction of carbon is about (). （ C ）
A、0.25%
B、0.6%
C、0.8%
D、2.11%
23. [Multiple choice question] As shown in the figure, what signal does the icon represent?
（ A ）
A. Move horizontally to the left
B. Move horizontally to the right
C. Move forward horizontally
D. Move backward horizontally
24. [Single choice question] As shown in the figure, what crane components does the figure represent?
（ F ）
A. Main command switch
B. Gearbox
C. Cam switch
D. Wheels
E. Ringtone foot switch
F. Coupling
25. [Single Choice Question] The trade union shall carry out the work of safe production in accordance with the law( （ D ）
A. Execution
B. Implementation
C. Management
D. Supervision
26. [Multiple choice question] The requirements for crane driver vision (including corrected vision) should be above (), and there is no color blindness. （ B ）
B、0.7
C、0.4
27. [Single Choice Question] If a certified operator cheats on the exam or obtains the "Special Equipment Operator Certificate" by cheating in the examination or by other fraudulent means, he shall not apply for the "Special Equipment Operator Certificate" again in () years. （ A ）
A、3
B、2
C、1
28. [Single Choice Question] What is the correct description of the accident hazard in the following figure? （）
A. Small crossbars cannot be fixed to large crossbars
B. It is strictly forbidden to punch holes in the scaffolding steel pipe
C. The perforated steel pipe shall not be used for large crossbars, but can be used as small crossbars
D. The small crossbar must have one end fixed to the large crossbar with a fastener
29, [single choice] The higher the object is off the ground, the larger it is ( ), and once it falls, the greater the kinetic energy of its transformation, so the more serious the harm caused. （ B ）
A. Thermal energy
B. Potential energy
C. Potential
30. [Single choice] Motor is a kind of power equipment that converts electrical energy into ( ) and outputs mechanical torque. （ B ）
A. Chemical energy
B. Mechanical energy
C. Hydraulic energy
31. [Single choice] The role of insulated shoes (boots) is to insulate the human body from the ground and prevent () from forming a pathway between the human body and the earth, causing electric shock injuries to the human body. （ C ）
A. Voltage
B. Resistance
C. Current
32. [Single Choice Question] The department that formulates national or industry standards related to safe production in a timely manner in accordance with the law and revises them in a timely manner according to scientific and technological progress and economic development is (). （ A ）
A. Relevant departments of the State Council
B. The State Council and local people's courts
C. The State Council and local people's procuratorates
D. People's governments at or above the county level
33. [Single choice] The construction lift should be equipped with overload protection device. The overload protection device should be able to stop the cage starting (C) before the load reaches () times the rated load capacity
A、0.9
B、1
C、1.1
D、1.2
34. [Single choice question] When the crane repairs the equipment by the electrician, () it is necessary to observe on the spot and check whether it is qualified after repair. （ A ）
A. Crane driver
B. Production dispatcher
C. Lifting command
35. [Single choice question] The common faults of lifting machinery mainly include the failure of the mechanical part, the failure of the metal structure and the failure of the () part. （ B ）
A. Computer
B. Electrical
C. Power supply
36. [Single choice question] The scope of dangerous projects exceeding a certain scale includes: attached lifting scaffolding project or attached lifting operation platform engineering (C) with lifting height () and above
A、100m
B、120m
C、150m
D、180m
37. [Single choice question] When the gear coupling appears (), it can be used without scrapping. （ B ）
A. Cracks
B. Rust spots
C. Broken teeth
38. [Single choice question] According to the current national standard "Construction Lift" GB/T10054-2005 in item 6.2.4.8.2, the requirements of the overload test are: take () % of the rated load capacity. （ D ）
A、90
B、100
C、110
D、125
39. [Multiple Choice Question] In the "Hubei Provincial Implementation Measures for the Equal Responsibility of the Party and government for Work Safety", it is proposed that governments at all levels shall perform the following responsibilities for safe production work: () ( ABCDE )
A. Include safe production work in the scope of important government work
B. Timely study and deployment of safe production work
C. Give full play to the role of safety production committees at all levels
D. Improve the assessment system for safety production responsibility targets
E. Conscientiously perform safety production supervision duties in accordance with law
40. [Multiple choice question] The monitoring instrument () used in each monitoring project of the foundation pit should reflect the actual situation of the monitoring object. （ ABC ）
A. Precision
B. Resolution
C. Measurement accuracy
D. Model
E. Parameters
41. [Single Choice] The State Council (PRC) shall, in accordance with the Law of the People's Republic of China on Work Safety, carry out comprehensive supervision and management of the work safety work nationwide. （ D ）
A. Safety Production Committee
B. Ministry of Housing and Urban-Rural Development
C. Development and Reform Commission
D. Safety production supervision and management department
42, [single choice question] alkali can make (). （ B ）
A. Make the purple litmus test solution red
B. Methyl orange test solution turns yellow
C, PH test strips turn red
D. The phenolphthalein test solution turns blue
43. [Multiple choice question] According to the casualties or direct economic losses caused by production safety accidents, accidents are generally divided into the following levels (). （ ABDE ）
A. Particularly serious accidents
B. Major accidents
C. Serious accidents
D. Major accidents
E, general accident
44. [Single choice question] The anchor rod can be designed as one layer or () layer. （ C ）
A. Second floor
B. Three layers
C. Multi-layer
D, can only design one layer
45. [Multiple choice question] The electrical control circuit (including emergency brake switch, siren, operation controller), etc. of the construction lift cage should be tested. （ ABCDE ）
A, communication equipment,
B. Limit switch
C. Limit switch
D. Electromechanical interlocking device
E. Brakes
46. [Multiple choice question] The following template projects belong to the scope of dangerous projects () (ABCD)
A. Climbing mold
B. Sliding mode
C. Flying mode
D. Tunnel mold
E, aluminum mold
47. [Multiple choice question] Regarding the following figure, the total distribution box leakage protection parameters are seriously inconsistent, so the correct selection requirements are ().
（ ABCD ）
A. DZ20L series electromagnetic leakage protector should be selected
B. The leakage operating current should be greater than 30mA and less than or equal to 150mA
C. The leakage operation time should be greater than 0.1S and less than or equal to 0.2S
D. The rated leakage action current and the rated leakage operation time and product should not be greater than 30mA•S
48. [Multiple Choice Question] Cantilevers should not be lifted and used on inclined roads with angles greater than () and on unstable, uneven ground and on moving vehicles. （ D ）
A、0°
B、1°
C、2°
D、3°
49. [Single choice question] The total distribution box should be located in an area close to the power supply, the distribution box should be located in an area where the electrical equipment or load is relatively concentrated, the distance between the distribution box and the switch box shall not exceed 30m, and the horizontal distance between the switch box and the fixed electrical equipment controlled by it should not exceed (). （ A ）
A、3m
B、4m
C、5m
D、3.5m
50. [Single choice question] When the bridge crane starts the trolley, it should be (). （ A ）
A. Speed up from slow to fast
B. Fast speedup
C. Uniform speed
51. [Multiple choice question] About the pedestrian tower ladder. An Quansheng Production Model Proposed Exam One Point Pass. Correct Has () ( ABCE )
A. The platform is full of anti-skid plates
B. Set up protective railings around according to the requirements of the edge operation
C, 4m height can not be provided with wall parts
D, 7m height can not be abandoned wall parts
E, 10m height must be provided with wall parts
52. [Multiple Choice Questions] When carrying out cross-assignments, it is strictly forbidden to stack any dismantled objects such as 'Safe Production Mock Examination One Point Pass'. （ BCE ）
A. In the foundation pit
B. Floor edge
C. Scaffolding edge
D. Elevator shaft
E. Channel port
53. [Multiple choice question] JGJ59-2011 standard civilized construction checklist stipulates that the material pile should be hung with a sign indicating the material (). （ ABD ）
A. Name
B. Varieties
C. Size
D. Specifications
E. Price
54. [Single Choice Question] When the protective shed is erected and demolished, a warning area should be set up and a special person should be sent to supervise it, and it is strictly forbidden to dismantle it. （ D ）
A. By carpentry
B. By non-shelf workers
C. Top-down
D. Up and down at the same time
55. [Single choice question] The length of the cantilever arm of the adjustable brace of the disc buckle support frame extending out of the top horizontal bar or the centerline of the double slot bracket should not exceed ()mm. （ D ）
A、400
B、500
C、550
D、650
56. [Multiple Choice] When gas welding (cutting) equipment is used, when compressed oxygen is in contact with mineral oil, grease or finely dispersed combustible dust, it is easy to occur (), (), () () (BCD)
A. Oxidation occurs
B. A fire has occurred
C. Explosion occurs
D. Spontaneous combustion occurs
57. [Single choice question] The length of the safety rope used by the frame worker is limited to () M. ( B )
A、1-1.5
B、1.5-2
C、2-2.5
D、2.5-3
58. [Multiple Choice Question] The Law of the People's Republic of China on the Safety of Special Equipment stipulates that the following () equipment shall be scrapped and cancelled to the original registration authority. （ CD ）
A. There have been many accidents
B. Exceeding the inspection period
C. There are hidden dangers of serious accidents, and there is no value for transformation and repair
D. Other scrapping conditions stipulated in the safety technical specifications are reached
59. [Multiple choice question] The following "four principles of not letting go" of safety accident handling are correct () ( ABDE )
A. The cause of the accident is not clear
B. Those responsible for the accident have not seriously dealt with it
C. Casualties and direct economic losses are not publicized
D, the majority of employees have not been educated
E. Precautionary measures have not been implemented
60. [Single choice] The fastener tightening force distance should be (). （ A ）
A、40~65N·m
B、20~30N·m
C、30~40N·m
D、70~80N·m
61. [Multiple choice questions] The support of the corner column template should be set on the inside side that can withstand, and the safety production model is a bit through the exam, () of the oblique bracing. （ AB ）
A. Tension
B. Pressure
C. Internal force
D. Axial force
E. Lateral force
62. [Multiple choice question] The safety data of building construction enterprises is divided into () categories. （ AC ）
A. Enterprise safety production conditions
B. Project safety management information
C. Enterprise safety production performance
D. Information on the living area of the project
E. Scaffolding information of engineering projects
63. [Multiple choice question] No corresponding safety measures have been taken, and welding and cutting operations are not allowed under the following () circumstances. （ ABCDE ）
A. In the room where inflammable and explosive dangerous goods are made, processed and stored
B. Storage tanks and containers for storing inflammable and explosive dangerous goods
C. Live equipment
D. Building components and equipment that have just been painted
E. Containers that have been filled with flammable liquids without thorough cleaning
64. [Multiple choice question] The transmission and cutting system of the reinforcement cutting machine shall comply with the following provisions () (ABC)
A. The transmission mechanism should run smoothly
B. The wear amount of open transmission gear should not exceed 25% of the tooth thickness.
C. The longitudinal swimming clearance between the slider and the guide rail should be less than 0.5mm
D. The lateral clearance between the slider and the guide rail should be greater than 0.2mm
65. [Single Choice Topic] According to the "Regulations on the Administration of Work Safety in Construction Projects", the construction unit shall, within 15 days from the date of approval of the construction report, submit the measures to ensure safe construction to the competent construction administrative department of the local people's government at or above the () level where the construction project is located or other relevant departments for the record. （ B ）
A、区
B. Counties
C. Province
D. City
66. [Multiple choice question] According to the "Construction Enterprise Safety Production Evaluation Standards" safety technology management scoring table to evaluate the project hazard source control, the following statement is correct (). （ ABD ）
A. If the enterprise has not established a hazardous source supervision system, 25 points will be deducted
B. If the system is incomplete or imperfect, 5 to 10 points will be deducted
C. If the system is incomplete or imperfect, 15 points will be deducted
D. Failure to formulate management plans or corresponding measures for the identification and evaluation of major hazard sources, deduct 5 to 10 points
E. If the source of danger is not clearly defined according to the characteristics of production and operation, 25 points will be deducted
67. [Judgment question] The brake of the lifting mechanism on the crane must be able to reliably brake 1.25 times the rated load. （）（ √ ）
68. [Judgment Question] The Law of the People's Republic of China on the Safety of Special Equipment stipulates that units producing, operating and using special equipment shall establish and improve the responsibility system for the safety and energy conservation of special equipment. （ √ ）
69. [Judgment question] Under the same condition that the diameter of the electrode and other conditions are the same, the alkaline electrode is lower than the arc voltage selected for the acid electrode. （）（ √ ）
70. [Judgment Question] The larger the angle between the ropes, the greater the force of the ropes. （）（ √ ）
71, [judgment question] Vacuum sandwich of vacuum insulation tank should be set up explosion-proof, safe production simulation test one point pass, membrane. （ √ ）
72. [Judgment Question] The "Rules for the Administration of the Use of Special Equipment" (TSG08-2017) stipulates that the user unit shall select a unit with corresponding qualifications to carry out maintenance of the lifting machinery. （ × ）
73. [Judgment Question] "Crane Design Code" (GB/T3811-2008) stipulates that the motor should have one or more protection functions, and the overcurrent protection of instantaneous or reverse time-limited action should be about 1.1 times the maximum starting current of the motor. （ × ）
74. [Judgment Question] One of the functions of the formulation of the "Special Equipment Safety Law of the People's Republic of China" is to clarify the obligations and legal responsibilities of the units producing and using special equipment in the safety of special equipment. （ √ ）
75. [Judgment question] The installation unit of construction lifting machinery shall organize installation and dismantling operations in accordance with the special construction plan and safety operation procedures of construction lifting machinery installation and dismantling projects. ( √ )
76. [Judgment Question] The hook is one of the three important components of the safe operation of the crane. （ √ ）
77. [Judgment question] The thread of the hook should try to avoid corrosion, otherwise it should be trimmed and processed to eliminate corrosion defects. When the axial clearance exceeds the permissible value, a new nut must be replaced. （ √ ）
78. [Judgment Question] The national standard number of the mainland crane and hoisting command signal is GB/T5082-1985. （ √ ）
79. [Judgment Question] The emergency switch on the button control panel should be automatically reset. （ × ）
80. [Judgment Question] The successor driver should go to the scene 10 minutes in advance to inspect the machinery and make a record. （ √ ）
81. [Judgment question] When using CaF2 flux in submerged arc automatic welding, it is easy to form negative ions because of steam such as fluorine, but these negative ions hit the cathode surface and emit a lot of heat, so the temperature of the cathode region is higher than the temperature of the anode region. （）（ √ ）
82. [Judgment Question] According to GB/T6067.1-2010 "Lifting Machinery Safety Regulations Part 1: General Provisions", drivers should have the ability to judge distance, height and clearance. （ √ ）
83. [Judgment question] The electric hoist lifting mechanism is a conical rotor brake motor that uses the motor and the brake to form an integrated part. （ √ ）
84. [Judgment question] The coupling is mainly used for the connection between the shaft and the shaft, so that they rotate together and transmit the torque. （ √ ）
85. [Judgment Question] The work of the crane driver is carried out under the close cooperation of the lifting commander and the strapping hook personnel. （ √ ）
86. [Judgment question] The wire rope in the lifting machinery should be regarded as a kind of part that is not easy to damage. （ × ）
87. [Judgment Question] When lifting electromagnets lifting objects, special attention should be paid to their passage routes, and they are not allowed to pass on people and equipment. （ √ ）
88. [Judgment Question] The slope of the foundation pit must be verified to ensure the stability of the slope. （）（ √ ）
89. [Judgment Question] () Any substance that can help and support combustion is called a combustible. （ √ ）
90, [judgment question] () The working temperature of the brake wheel should generally not be high at 80 ° C of the ambient temperature. （ × ）
91. [Judgment Question] () The occurrence of electric shock accidents is mainly caused by open-air operations touching high-voltage lines, leakage of electrical facilities or lifting wire ropes touching slippery wires. （ √ ）
92. [Judgment Question] () Combustibles: including solids, liquids and gases. （ √ ）
93. [Judgment Question] () Accidents caused by the falling of lifting items due to lifting machinery rigging are included in special equipment-related accidents. （ √ ）
94. [Judgment Question] () When there is an obstacle in the passage that needs to be crossed, the bottom surface of the spreader or hanging object should be more than 0.2 meters above the top surface of the obstacle. （ × ）
95. [Judgment Question] () The Emergency Rescue Command organizes the preparation, revision and verification of emergency plans. After the preparation of the plan, organize or invite experts to conduct verification, and release and implement it after approval by the unit security administrator. （ × ）
96. [Judgment Question] () The emergency plan should not only carry out emergency rescue training, but also conduct regular exercises (drills). （ √ ）
97. [Judgment Question] () The crane should be equipped with applicable fire extinguishing equipment and pay attention to the validity period. （ √ ）
98. [Judgment Question] () The crane work level is divided into eight levels, which are A1 to A8. （ √ ）
99. [Judgment question] () Lifting wire rope is generally made of 6 strands of winding, so it can be used when a strand is broken. （ × ）
100. [Judgment Question] () The diameter of the wire rope is represented by its inner circle, which is generally measured by a vernier caliper. （ × ）
Support the examination questions of precision crane drivers (limited bridge cranes) in all regions of the country, and support the safety qualification certificate, special operation certificate, vocational skills appraisal and other work question bank exercises.