question bank source: Safety Production Simulation Examination Yitong Official Account Mini Program
Door Crane Driver Examination Question Reference Answers and Door Crane Driver Examination Question Analysis is a summary of the safety Production Simulation Examination Yitong Question Bank Teachers and Door Crane Driver Operation Certificate students who have already tested it, which is relatively effective to help Door Crane Driver Simulation Examination Questions students pass the exam smoothly.
1. [Multiple choice question] Article 84 of the " Special Equipment Safety Law of the People's Republic of China " stipulates that special equipment used by 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, has failed to fulfill the scrapping obligations in accordance with the law, and has completed the cancellation procedures for the use registration certificate. Order to stop using the relevant special equipment and impose a fine of ( ) or more ( ). (BC)
A, 2,000 yuan
B, 30,000 yuan
C, 300,000 yuan
D, 200,000 yuan
2. [Multiple choice question] Article 14 of the "Special Equipment Safety Law of the People's Republic of China" stipulates that special equipment ( ), testing personnel and ( ) shall obtain the corresponding qualifications in accordance with relevant national regulations before they can engage in related work. (AB)
A, security management personnel
B, operating personnel
C, maintenance personnel
3, [Multiple choice question] The "Special Equipment Safety Law of the People's Republic of China" stipulates that special equipment users shall establish ( ) and other safety management systems, formulate operating procedures, and ensure the safe operation of special equipment. (BCD)
A, financial management
B, job responsibility
C, hidden danger management
D, emergency rescue
E, cleaning and hygiene
4, [Multiple choice question] A brief passage of the accident: A port container terminal, an door crane in use suddenly fell during the loading and unloading of a container. Fortunately, there were no people on the scene of the fall. Accident investigation: After investigation: The accident was not overloaded, and the equipment was only put into use for more than seven months. The gear gearbox of the lifting mechanism was broken and the gear part of the meshing of the high-speed shaft was broken. The cause of the accident may be ( ) ( ABD )
A. The equipment manufacturer did not strictly implement the process requirements
B. Stress concentration at the corners of the shaft shoulders
C. The lifting mechanism safety device failed. The crane manufacturing process supervision and inspection work did not implement
5. [Multiple choice question] The main contents of the brakes are ( ). (ACD)
A, adjust the working stroke
B, adjust the material strength
C, adjust the braking torque
D, adjust the gap
6, [Multiple choice question] The brake wheel heats up, and the friction plate wears and burns quickly are (). (AB)
A, the working surface of the brake wheel is rough
B, the gap between brake shoe and the brake wheel is uneven or the gap is too small
C, the friction plate is too thick
D, the main spring is too tight
7, [Multiple choice question] The principles that must be followed in the selection of the position of hanging point are: (). (AC)
A, adopts the original design hanging ear
B, the hanging point and the center are on the same plumb line
C, the center of gravity is between the two hanging points
D, the hanging point is below the center of gravity
8, [Multiple choice question] block brake type is: ( ). (ABCD)
A, short stroke
B, long stroke
C, hydraulic electromagnet
D, hydraulic push rod tile
9, [Multiple choice question] The requirements for brakes are (). (ACD)
A, safe, reliable, with sufficient braking torque
B, complex structure, simple action
C, smooth upper gate, quick release of gate
D, sufficient strength and stiffness
10, [Multiple choice question] The main beam is to make a certain upper arch degree for: ( ).(BCD)
A, high strength, material saving
B, increase load-bearing capacity
C, eliminate or reduce additional resistance during car operation
D, eliminate or reduce sliding on the car operation
11, [Multiple choice question] Object aerial turn requirements: ( ). (ACD)
A, rationally select the plan
B, two cranes cooperate with each other
C, correctly select the hanging point
D, proficient in mastering operation skills
12, [Multiple choice question] Those who meet the short-link scrapping standards are: ( ). (AC)
A, crack
B, when the chain ring diameter wears to 5% of the original diameter
C, the chain undergoes plastic deformation, and when the elongation reaches 5% of the original length
13, [Multiple choice question] There are ( ) in the lifting mechanism. (ABCD)
A, motor
B, transmission device
C, winding system
D, picking device
14, [Multiple choice question] lifting mechanism operations can be divided into: ( ). (ABC)
A, light load lift
B, medium load lift
C, heavy load lift
D, overload lift
15, [Multiple choice question] The basic parameters of lifting machinery are in addition to the rated lifting weight: ( ). (ABCD)
A, lifting height
B, span, gauge
C, working speed
D, amplitude
16, [Multiple choice question] The maintenance of cranes is divided into: ( ). (ACD)
A, daily maintenance
B, key maintenance
C, first-level maintenance
D, second-level maintenance
17, [Multiple choice question] The function of the wheel rim is: ( ). (BD)
A, reduce wheel pressure
B, guide
C, uniform wheel pressure
D, prevent derailment
18, [Multiple choice question] The gantry structure of the gantry crane is (). (ABC)
A, eight-bar gantry
B, cross gantry
C, cylindrical gantry
D, sillar gantry
19, [Single choice question] ( ) has the advantages of light weight, soft texture, corrosion resistance, elasticity, and able to reduce impact. (B)
A, wire rope
B, chemical fiber rope
C, chain
20, [Single choice question] "The forearm is straightened to the side, the five fingers are naturally extended, and the wrist is rotated as the axis", this gesture signal represents ( ). (A)
A, hook rise
B, emergency stop
C, work end
21, [Single choice question] The "Special Equipment Safety Law of the People's Republic of China" stipulates that the special equipment production, operation, use units and ( ) are responsible for the safety of the special equipment they produce, operate and use. (B)
A, management personnel
B, main person in charge
C, general person in charge
D, operator
22, [Single choice question] Once a fire occurs, call ( ) immediately to report the police to the fire department while being calm, calm and quickly rescue. (B)
A, 110
B, 119
C, 120
23, [Single choice question] Generally, steel wire ropes for main lifting should be used ( ) steel wire ropes. (B)
A, sequential braid
B, interwoven sequential braid
C, mixed braid
D, composite braid
24, [Single choice question] In lifting operations, try to keep the center of gravity of the goods at the ( ) of the two lifting ropes. (C)
A,
B on the left,
C on the right,
25 in the middle,
25. [Single choice question] When the hanging object swings forward during operation, the gear position of the controller should be stably hooked along the direction of the swing of the hanging object.(A)
A, increase
B, reduce
C, put it in zero position
26, [Single choice question] What phenomenon should be scrapped when the outside of the wire rope is corroded ( ). (C)
A, broken wire
B, surface dry
C, surface wear or corrosion reaches 40% of the diameter of the wire
D, wire rope diameter reduction is less than 7%
27, [Single choice question] The most widely used grab is: ( ). (B)
A, single cable grab
B, double cable grab
C, electric grab
28, [Single choice question] There are at least ( ) within every 50m of grounding iron piles. (B)
A, 2
B, 4
C, 5
29, [Single choice question] According to the direction of the twisting of the wire rope, it is not suitable for use as a lifting rope: (). (C)
A, mixed rope
B, cross rope
C, straight rope
30, [Single choice question] A special equipment accident caused less than 3 deaths, or serious injuries to less than 10 people, or direct economic losses of less than 10 million yuan and less than 10 million yuan are: ( ). (C)
A, major accident
B, serious accident
C, general accident
31, [Single choice question] Special equipment user units shall conduct regular and daily maintenance of special equipment in use and regularly ('Safety Production Simulation Examination One Point'). (A)
A, check
B, check
C, test
D, test
D, test
32, [Single choice question] Employers should strengthen safety education and training of workers to ensure that special equipment workers have the necessary ( ) safety operation knowledge, work skills and timely update knowledge. (B)
A, special
B, special equipment
C, energy-saving
33, [Single choice question] The brake of the lifting mechanism suddenly fails in the electrical aspect, and should be immediately ( ). (C)
A, sending an emergency signal
B, pulling down the switch knife power switch
C, pulling down the emergency switch
34, [Single choice question] The buffer is a ( ) device. (B)
A, acceleration
B, energy absorption
C, slow down
35, [Single choice question] The mechanism that can change the amplitude under load conditions is called: (). (B)
A, non-working amplitude change mechanism
B, working tide tide mechanism
C, flexible transmission tide mechanism
36, [Single choice question] The braking capacity of the lifting mechanism should be ( ) times the rated lifting weight. (A)
A, 1.25
B, 1.1
C, 1
37, [Single choice question] The wire ropes used on cranes are generally ( ). (C)
A, wire core
B, asbestos core
C, cotton and linen core
38, [Single choice question] The most commonly used cranes are ( ) coupling . (B)
A, universal
B, gear
C, cross
39, [Single choice question] When crane operation, the crane arm should turn to (). (B)
A, direction of wind
B, direction of wind
C, direction of wind
40, direction of wind
40, [Single choice question] The medium amplitude of the crane parameters refers to: (). (C)
A, distance between the center line of the trolley track
B, horizontal distance between the axis of the crane running track
C, horizontal distance between the vertical center line of the sling and the center line of the rotating
41, [Single choice question] The lifting height in the crane parameters is represented by the letter ( ).(B)
A, S
B, H
C, A
42, [Single choice question] The control of lifting height during crane lifting sometimes also needs to be based on (). (B)
A, height limit
B, driver's visual ability
C, lifting speed
43, [Single choice question] After the crane is completed, the empty hook should be lifted to: ( ). (A)
A, close to the upper limit
B, middle
C, placed on the ground
44, [Single choice question] The working range of the crane is (). (A)
A, horizontal distance between the vertical line in the center of the hook and the center line of the slewing
B, distance between the vertical line in the center of the hook and the center line of the rear axle
C, distance between the vertical line in the center of the hook and the center line of the rear legs
45, [Single choice question] The cause of the low starting speed of the crane is: ( ). (A)
A, battery power is insufficient
B, gas
C, valve clearance is too small
46, [Single choice question] The function of the upper edge of the crane wheel is (). (C)
A, reduce wheel pressure
B, uniform wheel pressure
C, guide and anti-track
47, [Single choice question] General gesture signal, put your arm straight above your head, extend your five fingers naturally, and keep your palm facing forward to indicate: ( ). (A)
A, prepare
B, main hook
C, end work
48, [Single choice question] The correct way to overload lifting operation is to quickly push the handle to (). (B)
A, first
B, second
C, required
49, [Single choice question] Metal casting pulleys, uneven wear of wheel grooves to ( ) should be scrapped. (A)
A, 3mm
B, 3cm
C, 20mm
50, [Single choice question] If the end of the wire rope is fixedly connected by a rope clamp, the rope clamping plate should be on the wire rope: (). (A)
A, long rope
B, short rope
C, any side
51, [Single choice question] Cranes working in open-air must be equipped with wind-proof and anti-slip devices to prevent being blown by strong winds. The rail clamping device suitable for large lifting machines is (). (C)
A, manual
B, electric spring
C, hydraulic spring
52, [Single choice question] Three short sounds of the audio stop number are expressed: ( ). (B)
A, hook rise
B, hook falls
C, slightly drop
53, [Multiple choice question] After leakage of the connecting pipe fittings, do not use pressure to tighten and disassemble. () ( √ )
54. [Judgement Question] The "Special Equipment Safety Law of the People's Republic of China" stipulates that if a special equipment fails or abnormal situations occur, the special equipment user unit shall conduct a comprehensive inspection of it to eliminate potential accident hazards before it can continue to use it. (√)
55. [Judgement Question] The "Special Equipment Safety Law of the People's Republic of China" stipulates that special equipment production units shall ensure that special equipment production complies with the requirements of safety technical specifications and relevant standards, and be responsible for the quality of the special equipment they produce. (×)
56. [Judgement Question] The "Special Equipment Safety Law of the People's Republic of China" stipulates that special equipment sales units shall establish a special equipment inspection and acceptance and sales record system. (√)
57. [Judgement Question] The "Special Equipment Safety Law of the People's Republic of China" stipulates that the departments responsible for the safety supervision and management of special equipment shall implement key safety supervision and inspection of special equipment in schools, kindergartens, hospitals, stations, passenger terminals, shopping malls, sports venues, exhibition halls, parks and other places for public gatherings.(√)
58. [Judgement Question] The "Special Equipment Safety Law of the People's Republic of China" stipulates that when special equipment operators find potential accident hazards or other unsafe factors during operation, they shall immediately report to the special equipment safety management personnel. (×)
59. [Multiple choice question] When lowering, the handle should be turned to the first gear and the slowest speed should be lowered first. (×)
60. [Judgement Question] The larger the angle between the two slings "Safety production and simulation test pass", the greater the load load of the sling. (×)
61. [Multiple choice question] It is strictly forbidden to use the method of free decline to lower heavy objects. (√)
62. [Judgement Question] The total voltage after series circuit is equal to the sum of the voltages of each segment. (√)
63. [Judgement Question] The main circuit is a circuit used to control the operation of cam controller . (×)
64. [Multiple choice question] During the operation of the practitioner, the relevant management personnel of the unit force the practitioners to perform risky operations, and the practitioners should report to the relevant person in charge of the unit while doing the operation. (×)
65. [Multiple choice question] The winched wire rope is incorrectly wrapped around the drum or pulley. If there is no metal rod or rod for adjustment, you can move it by hand. (×)
66. [Judgement Question] When checking the fixing device at the end of the wire rope on the drum, check whether each pressing plate presses two ropes at the same time. Only one rope is not allowed. (√)
67. [Multiple choice question] Drivers must be familiar with the operating performance of large and small cars, and master the latest analysis of large and small cars, the running speed and braking stroke of small cars. (√)
68. [Multiple choice question] The command gestures commonly used in the operations of various types of cranes are called general gesture signals. (√)
69. [Multiple choice question] If a sudden power outage occurs during lifting operation, just cut off the power supply and leave. (×)
70. [Multiple choice question] The whistle signal is a rapid and long stop. (√)
71. [Judgement Question] voltage loss protection is automatically disconnected from the power supply when the power is out (the voltage is zero or the circuit voltage is too low). (√)
72. [Judgement Question] If the fire caused by electrical causes, the power should be cut off first. If the power is not cut off, you can use foam fire extinguisher . (×)
73. [Multiple choice question] For cranes with variable amplitude mechanism, there are possible overturn accidents under the action of self-weight and lifting load. (√)
74. [Multiple choice question] After the work is completed, all controller handles should return to zero. (√)
75. [Multiple choice question] The connection between the end of the steel belt of the belt brake backing pad and the fixed part should be made of bolt connection. (×)
76. [Multiple choice question] The successor should go to the site to inspect the machinery 10 minutes in advance and make records. (√)
77. [Judgement Question] When an object is turned over in the air, the main hook is hung on the lower hanging point of the object being turned over, causing the object to tip over in the air. (×)
78. [Judgement Question] The center of gravity of an object has nothing to do with how the object is placed, that is, no matter how the object is placed, its center of gravity is always a certain focus. (√)
79. [Multiple choice question] Relays are used to directly control the main circuit. (×)
80. [Multiple choice question] The purpose of adjusting the gap between the two brake tiles and the brake wheel is to ensure that the electromagnet has sufficient suction force to the armature. (×)
81. [Multiple choice question] If a special tool for lifting and hoisting is found, reasonable repair measures must be taken, otherwise it is not allowed to be used. (√)
82. [Judgement Question] According to GB/T6067.1-2010 "Crane Machinery Safety Regulations Part 1: General Provisions", drivers should accept the command of the lifting operation command signal of the lifting operation personnel. When the crane does not require a signalman, the driver is responsible for lifting operations. The driver should perform a stop signal from anyone at any time.(√)
83. [Multiple choice question] The lifting brake can be divided into three types according to its structural characteristics: block type, belt type, and disc type. (√)
84. [Multiple choice question] The crane driver should carefully inspect the various safety devices and main components of the crane before working. (√)
85. [Judgement Question] Crane drivers should pay close attention to the operation of the crane. If there are abnormal phenomena or faults in the equipment, they should report or eliminate them in a timely manner. It is strictly forbidden to operate the crane with illness. (√)
86. [Multiple choice question] Crane drivers should abide by the "ten no lifts" regulations for lifting operations. (√)
87. [Multiple choice question] The crane driver should operate according to the command signal. No matter who sends the emergency stop signal, the "safe production simulation test is passed" should be immediately performed. (√)
88. [Multiple choice question] Crane drivers must record the shift handover content every day. (×)
89. [Multiple choice question] When the crane is in a working state, repairs and maintenance should not be carried out. (√)
90. [Multiple choice question] There are three types of wheel forms used in cranes: single wheel rim, double wheel rim, and no wheel rim. (√)
91. [Multiple choice question] The lifting electromagnet has certain delay performance, so it is not very dangerous. (×)
92. [Multiple choice question] There should be protective measures to prevent collision of the terminal cover on the lifting solenoid shell. (√)
93. [Judgement Question] overcurrent protection is when the circuit is short or the motor is severely overloaded, the main circuit is manually disconnected from the power supply. (×)
94. [Multiple choice question] The "rail gnawing" fault of the operating mechanism has nothing to do with the excessive difference in the wheel installation angle. (×)
95. [Multiple choice question] A wheel with no rim should not be equipped with horizontal wheels on both sides. (×)
96. [Multiple choice question] The diameter of the wire rope is represented by its inner garden. (×)
97. [Judgement Question] The wire rope hemp core is burned out, and the wire annealing becomes blue and brittle. Under the action of impact load, the rope breaking and hook falling accident is particularly prone to occur. (√)
98. [Multiple choice question] Since the gantry crane needs to carry a load-shaped amplitude, its amplitude is called a working amplitude. (√)
99. [Multiple choice question] The gantry crane magnitude change mechanism makes the cargo go in a horizontal straight line when the magnitude changes. (√)
100. [Multiple choice question] Before taking over, the door crane driver must strictly implement the safety code of "four handovers" and "eight checks". (√)
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