Source of question bank: Safety production mock examination, WeChat public account mini program
2021 crane driver (bridge crane only) exam and crane driver (bridge crane only) test questions and answers, including crane driver (bridge crane only) exam answers and analysis, and crane driver (bridge crane only) test questions and answer exercises . Combining the latest syllabus of the national crane driver (only bridge crane) exam and the summary of the real questions of the crane driver (only bridge crane) exam from the safety production simulation test Yidiantong public number, it will help the crane driver (only bridge crane) online exam. Exercise.
1. [True/True] When using the rope card, only the specifications are the same, and the direction of the pressing plate can be placed arbitrarily. (×)
2. [True and True] The weight of an object is its gravity. (×)
3. [True and True] Safety measures must be taken when lifting pressure vessels such as oxygen cylinders and acetylene cylinders and dangerous goods. (√)
4. [True/True Question] When the brake stroke of the truck is too large, the brakes will be too strong, causing shocks and shaking of the hanging objects, which will easily deform the bridge frame and damage the components. () (×)
5. [True/True Question] () Any operation at a height of 3 meters (including 3 meters) on the reference plane of the fall height is called high altitude operation. (×)
6. [True/True Question] The rated lifting capacity of the crane only refers to the maximum allowable lifting weight of the crane during normal operation. () (×)
7. [True and True] The work of the crane driver is carried out under the close cooperation of the lifting commander and the strapping hook personnel. (√)
8. [True/Judgement] The wire rope should be scrapped if the steel wire is loose due to external corrosion attack and steel loss. There is serious internal corrosion, and the wire rope should be scrapped. (√)
9. [Judgement Questions] () The "Special Equipment Safety Law of the People's Republic of China" stipulates that after the special equipment has been registered for use, it can continue to be used even if it has not been inspected regularly or has failed the inspection. (×)
10. [Judgement Questions] () Being loyal to your duties and doing your job well are the basic duties of lifting operators. (√)
11. [True and True] () When constructing in dangerous areas, there should be obvious signs such as cordon or warning signs. (√)
12. [True/True Question] Work warning signs should be set during lifting operations. The warning signs are red flags during the day and red lights at night. (√)
13. [True/Dictionary] The effect of force is only related to the magnitude and direction of force. (×)
14. [True and True] () Inflammable and explosive dangerous goods can be tied up with steel wire ropes and then lifted, but the binding must be firm. (×)
15. [True and True] () After the crane is repaired, the repairman should conduct a test run and accept the crane before it can be put into production and use. (×)
16. [Judgement Questions] According to the "Measures for the Supervision and Management of Special Equipment Operators", the operators violated the special equipment operating rules and related safety rules and regulations, or found hidden accidents or other unsafe factors during the operation and did not immediately report to the scene Managers and relevant persons in charge of the unit report that if the employer fails to give criticism or education or sanctions, the employer shall be ordered to make corrections and be fined between 1,000 yuan and 30,000 yuan. (√)
17. [Judgement Questions] () Lifting commanders who have not been professionally trained and qualified shall not conduct lifting command operations. (√)
18. [True/Dictionary] Under the same load, reducing the motor power can reduce the temperature rise of the motor. (×)
19. [Judgment] When the crane lifts a heavy object, due to the force acting on the heavy object, the position of the heavy object changes from static to moving, from low to high position. (√)
20. [True/True Questions] () The operating height of the special high altitude operations is above 20 meters. (×)
21. [True and True] () Anyone who issues a stop signal, the crane driver should obey. (√)
22. [True and True] In the thunderstorm season, when the height of independent scaffolds such as tic-tac-toe scaffolds exceeds 15m, lightning rods must be installed, and the grounding resistance shall not be greater than 15Ω. (×)
23. [True and True] () The number of scrapped and broken wires of steel wire ropes for lifting hot metal or dangerous goods shall be half of the number of scrapped and broken wires of general crane wire ropes. (√)
24. [True and True] () Commonly used directional valves include check valves, hydraulic check valves, speed limit valves, manual (electromagnetic) reversing valves, etc. (×)
25. [Judgement Questions] The newly used cranes and fixtures should be subjected to a load test and can be used only after passing the inspection. (√)
26. [Judgment] The national standard number of my country's hoisting command signal is GB/T5082-1985. (√)
27. [True and True] () Work on glass fiber reinforced plastic, asbestos tile, oil felt or soft fiberboard, and work without safety measures. (×)
28. [Judgement] The driver should understand and master the meaning of various crane command signals. (√)
29. [Single-choice question] The function of insulated shoes is to insulate the human body from the ground, preventing () from forming a path between the human body and the earth, causing electric shock to the human body, and reducing the risk of electric shock to a minimum. (A)
A, current
B. Voltage
C. Current and voltage
30. [Single-choice question] The picture below is a common wind-proof and anti-skid device: rail clamp. According to GB/T6067.1-2010 "Safety Regulations for Lifting Machinery Part 1: General Principles", the following () environment working lifting machinery should be installed with anti-skid devices. 
(B)
A. Indoor
B. Outdoor
C. All environments should be installed
31. [Single-choice question] The "Special Equipment Safety Law of the People's Republic of China" stipulates that if a special equipment user uses personnel who have not obtained the corresponding qualifications to engage in special equipment safety management, testing and operations, the legal responsibility shall be (). (B)
A. Revocation of business license
B. Order to make corrections within a time limit; if no corrections are made within the time limit, order to stop using relevant special equipment or suspend production and business for rectification, and impose a fine of 10,000 to 50,000
32. [Single-choice question] The driver must be familiar with the crane's lubrication chart and lubrication points. When lubricating, it must () fix the oil and add the amount of oil. (A)
A. Timing
B, fixed person
C, fixed land
33. [Single choice] "The Special Equipment Safety Law of the People's Republic of China" is a part (). (A)
A. Law
B. Administrative regulations
C. Departmental regulations
34. [Single-choice question] The operation of the electrical equipment of the crane must be carried out in strict accordance with the regulations, and the order of cutting off the power is: (). (B)
A. Cut off the isolating switch first, then cut off the load switch
B. Cut off the load switch first, then cut off the isolating switch
C. Isolating switch and load switch are cut off regardless of front and back.
35. [Single-choice questions] According to TSGZ6001-2019 "Examination Rules for Special Equipment Operators", the test results are valid for 1 year. Those who fail a single test subject can apply to the original test agency for one re-test within (), and two fail or Those who fail the re-examination shall submit a new application for the examination to the issuing authority. (B)
A, 6 months
B, 1 year
C, 2 years
36. [Single-choice question] In the crane parameters, the nominal unit of the crane, trolley, and lifting speed is: (). (C)
A. Turn/minute
B, meters per second
C, m/min
37. [Single choice] The safe voltage of crane portable lighting must be below () volts. (B)
A、24
B、36
C、220
38. [Single-choice question] The "Special Equipment Safety Law of the People's Republic of China" stipulates that the state implements catalog management of special equipment. The special equipment catalog shall be formulated by the department responsible for special equipment safety supervision and management under the State Council, and shall be implemented after approval. (A)
A. The State Council
B. State Administration for Market Regulation
39. [Single-choice question] Toxic and hazardous operating environment refers to industries and types of work that may be exposed to () during production operations. (A)
A. Productive poison
B. Cocaine and other drugs
C, high voltage
40. [Single-choice question] As shown in the figure, what does the icon mean? 
(D)
A, slanting and not hanging
B. The object is not fastened
C. Don't hang under high voltage line
D. Someone does not hang on the object
41. [Single-choice question] For cranes with wired ground control, the operating speed of the large and small vehicles should not be greater than () m/min. (C)
A、45
B、50
C、55
42. [Single-choice question] For hoisting machinery that does not implement installation supervision and inspection, the user should submit an application for () inspection to the inspection and testing agency in accordance with the "Regulations for Periodic Inspection of Lifting Machinery". (A)
A. For the first time
B. Acceptance
C, regular
43. [Single choice] The height of the crane safety railing rod should be (). (B)
A、1000mm
B、1050mm
C、1100mm
44. [Single-choice question] The harm of electric current to the human body can be divided into electric shock and (). (C)
A, local injury
B. Serious injury
C, electric injury
D, burns
45. [Single-choice question] Gravity is () the attraction to nearby objects. (C)
A, the moon
B. The sun
C. Earth
D. Planet
46. [Multiple choice questions] The incident briefly: Wang, a steel plant worker, drove an open-air 10t double-beam bridge crane without authorization because the crane driver was resting. As the ascending limit had failed, the hook hit the roof and the wire rope was stretched. The hanging object fell along with the hook and hit the maintenance worker Liu, who was working below. Liu died on the spot. Accident investigation: After investigation, the lifting limiter was removed, the lifting mechanism brake was incomplete, the cam controller handle lacked a hand wheel, the operating brake of the cart and trolley was removed, and the operating limit of the cart and trolley was invalid. Analysis of the cause of the accident: () (BCD)
A. Improper standing position of maintenance workers
B. Lax safety management and undocumented operation
C. The equipment is running out of control when it is sick
D. Failure to regularly check the usage and maintenance
47. [Multiple choice questions] The advantages of lifting operations are () (ABCD)
A. High degree of mechanization
B. Large lifting load
C. Low labor intensity
D. Easy to move and transport
48. [Multiple-choice questions] The damage to people caused by electricity in the crane includes: (). (AB)
A. Electric shock
B. Electric spark burns
C, bruise
D. Smash
49. [Multiple choice questions] The wheel support devices on the crane are roughly divided into: (). (CD)
A. Long shaft type
B. Short shaft type
C, fixed axis
D, shaft type
50. [Multi-choice questions] Trouble-shooting methods for excessive rotor heating (BDF)
A. Check if one phase is open and connect the wire
B. Check if the connector is in good contact and connected well
C. Check whether the controller contacts are in good contact
D. Use an electric pen or indicator to check for voltage.
E. Check whether the thickness of the wire rope meets the requirements
F. Check whether there is grounding or short circuit in the main circuit
The above are the questions and answers for the 2021 crane driver (bridge crane only) exam and crane driver (bridge crane only) exam. Support the examination questions for accurate crane drivers (only bridge cranes) in all regions of the country, and support the exercises of the safety qualification certificate, special operation certificate, vocational skill appraisal and other work types.