question bank source: Safety production simulation examination Yitong official account mini program
2022 crane driver (limited gantry crane) review question bank is crane driver (limited gantry crane ) test paper on the machine test exercises! The 2022 crane driver (rental crane) operation test questions and answers are based on the crane driver (rental crane) pre-exam questions. The crane driver (gantry-limited crane) review mock exam passes the production safety mock exam and passes the mock exam.
1. [Multiple choice question] The "Special Equipment Safety Law of the People's Republic of China" stipulates that if the user unit uses special equipment that has not been regularly inspected or failed the inspection, it shall be fined () or above () and fined (). (AC)
A, 30,000
B, 10,000
C, 300,000
2, [Multiple choice question] The principles that must be followed in the selection of the position of hanging point are (). (ABC)
A, adopts the original design hanging ear
B, the hanging point and the center of gravity 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
3, [Multiple choice question] The ones belonging to the protection relay are () (AD )
A, overcurrent relay
B, time relay
C, intermediate relay
D, thermal relay
4, [Multiple choice question] According to the winding direction of the wire rope, it is divided into: (). (CD)
A, upper winding rope
B, lower winding rope
C, left winding rope
D, right winding rope
5, [Multiple choice question] The advantages of lifting work are () (ABCD )
A, high degree of mechanization
B, large lifting load
C, low labor intensity
D, easy to move and transport
6, [Multiple choice question] The brakes used on cranes are divided into () according to their structural form. (ABD)
A, block
B, belt
C, cylindrical
D, conical
7, [Multiple choice question] The basic operation requirements of crane drivers are to be ( in addition to "stable". (ABCD)
A, quasi-
B, fast
C, safe
D, reasonable
8, [Multiple choice question] The function of the wheel rim is: (). (BD)
A, reduce wheel pressure
B, guide
C, uniform wheel pressure
D, prevent derailment
9, [Multiple choice question] The main reasons for breaking the lifting rope are: () The wire rope is fatigue deformation, wear and damage due to long-term use and lack of maintenance, etc., which still meets or exceeds the scrap standards. (ABC)
A, overload lifting
B, lifting limit switch fails
C, oblique lifting, trapped
D, smooth lifting
10, [Multiple choice question] The advantages of wire ropes are (). (ABD)
A, high strength, can withstand impact loads
B, good flexibility, flexible use
C, high rigidity, not easy to bend
D, low cost
11, [Multiple choice question] Fall protection is mainly used to prevent the occurrence of fall accidents, and the main types of anti-fall protection are (). (ABD)
A, safety belt
B, safety rope
C, safety helmet
D, safety net
12, [Multiple choice question] The main forms of wind-proof and anti-slip devices of open-pit cranes include (). (ABD)
A, anchor device
B, iron shoes
C, anemometer
D, rail clamp
13, [Single choice question] In order to prevent brine corrosion, sodium dichromate and sodium hydroxide are generally used as ().(C)
A, refrigerant
B, refrigerant
C, corrosion inhibitor
14, [Single choice question] Under conditions not greater than the specified filling amount, the pressure of liquefied petroleum gas storage tank changes with ( ). (B)
A, charge
B, storage temperature
C, pressure of conveying equipment
15, [Single choice question]
(B )
A, crooked and slanted and slanted without hanging
B, dim light does not slanted
C, high-voltage offline does not slanted
16, [Single choice question] " Special Equipment Safety Law of the People's Republic of China " stipulates: After the installation, transformation, and repair of special equipment is completed, the construction unit that installs, transformation and repairs shall transfer the relevant technical information and documents to the special equipment user unit within () days after acceptance. (D)
A, 5
B, 15
C, 20
D, 30
17, [Single choice question] Personnel engaged in special equipment operations can only operate independently after obtaining () before taking the job training and assessment. (C)
A, on-the-job certificate
B, skill certificate
C, special equipment operator certificate
18, [Single choice question] The approximate calculation formula for shackled is: () (d is the diameter of the pin, unit is mm). (A)
A, 4d2
B, 7d2
C, 10d2
19, [Single choice question] The insulation between the intrinsically safe circuit and the non-intrinsically safe circuit can withstand the AC effective value test voltage not less than ()V. (B)
A, 1000
B, 1500
C, 500
20, [Single choice question] The following statement is correct (). (C)
A. Alkaline welding rods are generally not used for welding alloy steel and important carbon steel structures
B. The deoxygenation of alkaline slag is incomplete
C. Alkaline welding rods can effectively eliminate sulfur in weld metal
21. [Single choice question] When the drill rig moves, the improper operation is (). (B)
A, running
B on a 10° ramp, turning sharply
C, someone under the machine directed
22, [Single choice question] A certain enterprise has not established and improved the unit's safety production responsibility system. The person involved in this problem is (). (A)
A, enterprise head
B, security technology department
C, trade union chairman
23, [Single choice question] The installation requirements for float level controller in ammonia refrigeration system are (). (B)
A.
B must be installed horizontally.
C must be installed vertically.
24 can be installed according to actual conditions. [Single choice question] fireworks and firecrackers production and operation enterprises first responsible for the safety of production is (). (A)
A, main person in charge
B, full-time safety officer
C, operator
25, [Single choice question] The safety factor of the wire rope hanging and binding during use should not be less than () (C)
A, 4
B, 3.5
C, 6
26, [Single choice question] When the construction depth of the foundation pit reaches ( When the degree of )m is posed, it is already dangerous to pit edge operations. In accordance with the regulations of high-altitude operations and edge-side operations, border protection facilities should be set up. (C)
A, 1.2
B, 1.8
C, 2
27. [Single choice question] On May 22, 2007, a student of a university, Chang, illegally obtained 250g of highly toxic substances, thallium nitrate, from friends who were operating highly drugs. At around 4 pm on May 29, Chang used a syringe to inject thallium nitrate into the tea cups of the victims Niu, Li and Shi, causing three students to be poisoned by thallium 2.According to the above situation, according to the above situation, the sales enterprise of highly toxic chemicals shall report the variety, quantity and flow information of the sold highly toxic chemicals to the public security organ of the county-level people's government to the local county-level people's government for filing and input it into the computer system within ( ) days after the sale. (B)
A, 3
B, 5
C, 10
28, [Single choice question] Multiple-person bundled homework should be directed by (). (A)
A, special person
B, common
C, one person
29, [Single choice question] The following statement is correct (). (C)
A, use oxygen to perform pressurized leakage test on the centrifugal refrigeration system
B, when adding lubricating oil to the centrifugal refrigeration unit,
C can be charged according to the similar model, and when performing pressurized leakage test on the centrifugal refrigeration system, it should withstand the specified pressure 24h
30, [Single choice question] surge of a single-stage centrifugal refrigeration compressor is prone to occur in (). (A)
A, low load
B, full load
C, zero load
31, [Single choice question] Through the phenomenon of electromagnetic induction , we can know that the slower the movement speed of the conductor cutting magnetic line , the induction electromotive force () in the conductor. (C)
A, . The larger the
B, . The unchanged
C, . The smaller the
32, [Single choice question] During the inspection, the safety officer found that the blasting operator did not have a blasting safety operation certificate. The following method is correct (). (B)
A. After criticism and education, they are allowed to work
B. Stop people without blasting safety operation certificates to carry out blasting operations
C. In order to ensure the progress of the operation, they are allowed to work
33 after on-site explanation and training. [Single choice question] As shown in the figure, what does this icon represent?
(B)
A, do not hang under high voltage line
B, do not hang above level 6 strong winds, do not hang
C, do not hang without protection on sharp edges
D, do not hang skewed slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant slant (C)
A, command
B, coordination
C, command and coordination
35, [Single choice question] Steel. Safety Production Simulation Exam One-way pass. The installation spacing of the wire rope rope clamp and the length of the rope tail end after the last rope clamp are not greater than () times the diameter of the steel rope d. (A)
A, 6 to 7
B, 3 to 5
C, 2 to 3
36, [Single choice question] Be loyal to your duties and do your job well is the (). (A)
A, basic responsibilities
B, basic policy
C, basic target
37, [Single choice question] () is to assemble suspended insulator into a string, and connect or string insulator to hang on cross-bar . (B)
A, support metal
B, connecting metal
C, connecting metal
38, [Single choice question] According to the "HTM1 Special Equipment Safety Supervision Regulations ", special equipment user units should () inspect, repair, and make records of safety attachment , security protection devices, measurement and control devices, and related auxiliary instruments and instruments in use. (C)
A,
B every six months,
C every year, regular
D, self-
39, [Single choice question] For open-pit mining farms that have been stopped to be tailings ponds, special demonstrations should be conducted on them. For mining activities at the bottom of the open-pit mining farm, it should not be used as tailings ponds. When it is required, a qualified unit should conduct special demonstrations and propose safety technical measures, which can only be used when ensuring the safety of underground mining.(C)
A, bagao
B, total storage capacity
C, stability
40, [Single choice question] The content of iron oxide in commonly used oxygen fluxes can be ()%. (A)
A, 70
B, 60
C, 50
41, [Single choice question] Special equipment user units shall submit regular inspection requirements to the special equipment inspection agency () months before the expiration of the validity period of inspection by passing the inspection. (C)
A, three
B, two
C, one
42, [Single choice question] A hazardous chemical production unit sells hazardous chemicals produced by its unit in the factory, ( ) apply for a business license. (A)
A,
B,
C,
C,
43, [Single choice question] The function of insulating shoes (boots) is to insulate the human body from the ground, prevent () from forming a path between the human body and the earth, causing electric shock damage to the human body. (C)
A, voltage
B, resistance
C, current
44, [Single choice question] The induction heating material must be (). (A)
A, conductor
B, semiconductor
C, insulator
45, [Single choice question] Spontaneous combustion refers to the phenomenon of external heat source of substance () that can oxidize itself under certain environmental conditions to generate heat, reaching its self-ignition point , that is, it generates heat and burns by itself. (C)
A, rely on
B, help
C, do not rely on
46, [Single choice question] Those with severe electric shock will not appear (). (B)
A, ventricular fibrillation
B, mental excitation
C, pupil dilated
47, [Single choice question] A coking plant suffered a production safety accident in 2009, causing 2 minor injuries. The plant was ordered to rectify the problem because the refined benzene industrial wastewater was diluted with water and discharged from it. The plant took measures to spray wastewater into the coal pile in the coal yard, which not only suppresses dust and avoids the discharge of wastewater. In order to prevent related accidents, the factory formulated and implemented the "Management Measures for the Prevention of Dust-proof Spraying of A-Coking Plants" on May 20, 2009. According to the above facts, the occupational harmful factors that workers in this factory cannot be exposed to during the production process include (). (B)
A, coal dust
B, low temperature
C, benzene wastewater
48, [Single choice question] The principle of cyclone dust collector is to use the () acting on the dust particles during the rotation of the airflow to separate the dust from the dust-containing airflow. (C)
A, elastic force
B, electromagnetic force
C, centrifugal force
49, [Single choice question] () is a comprehensive evaluation of the overall or local safety status of a production and operation unit. (B)
A, security pre-evaluation
B, comprehensive evaluation of security status
C, security acceptance evaluation
50, [Single choice question] When lifting operations at high places require vertical operations up and down, special () or other isolation measures must be set. (B)
A, warning sign
B, protective shed
C, red line alert
51, [Single choice question] The seat belt should be hung high and low. The hook should be securely located at a level not lower than the operator's level. (B)
A, .Any
B, .Fixed
C, .Safe
52, [Single choice question] The current that endangers life after a person's electric shock is called (). (B)
A, perceived current
B, fatal current
C, continuous current
53, [Single choice question] When the wire rope is corroded or worn, the number of scrap broken wires should be multiplied by the () coefficient, and used as the number of scrap broken wires of the wire rope.(A)
A, reduce
B, increment
C, secure
54, [Single choice question] Steel pipe scaffolding generally uses steel pipes with an outer diameter of 48~51mm and a wall thickness of ()mm. (B)
A, 2.5~3
B, 3~3.5
C, 3.5~4
D, 4~4.5
55, [Single choice question] If an open-pit crane encounters strong winds of () grade, it should stop working (A )
A, six
B, seven
C, eight
56, [Judgement Question] "Lease Machinery Safety Regulations Part 1: General Principles" (GB/T6067.1-2010) stipulates that when the grid voltage is not greater than 1000V, the insulation resistance measured when 500V (d.c) is applied between the circuit and the exposed conductive parts should not be less than 1MΩ. (√)
57. [Judgement Question] The main circuit is a circuit used to control the operation of cam controller . (×)
58. [Multiple choice question] Emergency management involving the safety production of fireworks and firecrackers only needs to consider the basic principles of government emergency management. (×)
59. [Judgement Question] Production "Safety Production Simulation Exam" The leader in charge of safety work of the operating unit is fully responsible for the investigation and control of accident hazards in the unit. (×)
60. [Multiple choice question] Fireworks and firecrackers cannot be dried outside the specified location. (√)
61. [Multiple choice question] During shift handover, the shift driver should introduce the problems that arise during duty to the shift driver in detail, but there is no need to check the crane together. (×)
62. [Judgement Question] According to GB/T6067.1-2010 "Crane Machinery Safety Regulations Part 1: General Provisions", commanders should have the ability to judge distance, height and clearance. (√)
63. [Multiple choice question] RCD with the remaining operation current less than or equal to 0.3A is a high sensitivity RCD. (×)
64. [Judgement Question] When the concentration of combustible substances in the mixture is higher than the upper limit, the flame cannot spread due to insufficient air volume. (√)
65. [Multiple choice question] "Three no harm" means not harming oneself, not hurting others, and not being hurt by others. (√)
66. [Judgement Question] The dynamic load test should be performed separately first, and then a joint action test should be conducted. (√)
67. [Judgement Question] The trade union has the right to participate in the accident investigation in accordance with the law, submit handling opinions to the relevant departments, and request that the relevant personnel be held accountable. (√)
68. [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 situations are found. (√)
69. [Multiple choice question] Even if the absolute pressure of of the working fluid is unchanged, the gauge pressure and vacuum degree are not changed. Safe production mock exam passes one by one. There is still a possibility of change. (√)
70. [Multiple choice question] No heat insulation device can be installed on the hook part of the crane that lifts molten metal. (×)
71. [Multiple choice question] The abnormal operating state of the transformer mainly includes: overcurrent caused by short circuit outside the protection range, overload caused by self-starting of motor , oil leakage in the transformer oil tank caused a decrease in the oil surface, and a slight short circuit between turns. (×)
72. [Judgement Question] The threads of hook should be avoided as much as possible, otherwise they should be trimmed and processed to eliminate corrosion defects. When the axial clearance exceeds the allowable value, a new nut must be replaced. (√)
73. [Judgement Question] Backup Protection is generally shorter than the main protection action delay. (×)
74. [Multiple choice question] The cleaning system must be cleaned and there should be no moisture left, so as not to cause ice to block . (√)
75. [Multiple choice question] Class II Class III electrical equipment used in explosive gas environments can be divided into T1-T6 groups according to the maximum allowable surface temperature.(×)
76. [Multiple choice question] At 7:51 on November 24, 2007, a company went to the Pusan Road oil and gas filling station leased and operated by a sales branch. During the suspension of business and maintenance, four people died, 30 people were injured, and some surrounding buildings were damaged, with direct economic losses of 9.6 million yuan. The accident investigation team determined that the direct cause of the accident was: the liquefied petroleum gas storage tank was not replaced with nitrogen after unloading, and liquefied petroleum gas remained in the storage tank; when the pipeline airtightness test was used for compressed air, the pipeline and the liquefied petroleum gas storage tank were not separated with blind plate , causing the compressed air to enter the liquefied petroleum gas storage tank, and the residual liquefied petroleum gas and compressed air were mixed in the storage tank to form an explosive mixed gas; due to illegal electric welding fire operation, a chemical explosion occurred in the pressure test system, resulting in an accident. Based on the above facts, please judge that the members of this accident investigation team are composed of relevant people's governments, production safety supervision and management departments, relevant departments responsible for production safety supervision and management, supervision organs , public security organs and trade unions, and should invite the People's Procuratorate to send people to participate. Relevant experts cannot be hired to participate in the investigation. (×)
77. [Multiple choice question] The evaporator uses gaseous refrigerant to evaporate under low pressure, converts it into steam and absorbs the heat of the cooled medium to achieve the purpose of refrigeration. (×)
78. [Multiple choice question] The thread of fixed spiral jack has a self-locking effect because its guiding angle is smaller than the friction angle between screw and the nut, so under the action of the heavy object, the screw will not rotate and cause the heavy object to fall. (√)
79. [Multiple choice question] The efficiency of the pulley set increases with the increase of ropes. (×)
80. [Judgement Question] screw compressor is a volume type rotary compressor without air valve. (√)
81. [Multiple choice question] If a special tool for lifting and hoisting is found, reasonable repair measures must be taken, otherwise it will not be used. (√)
82. [Multiple choice question] During the disconnection of dynamic and static contacts in the vacuum arc extinguishing chamber, the main factor in the generation of arcs is to rely on the metal vapor generated by the contacts to generate arcs between the contacts. (√)
83. [Multiple choice question] People who load and unload poisonous products are not allowed to eat or drink during their homework, and they are not allowed to wipe their mouths, faces, and eyes with their hands. After each work is completed, you should wash your face and hands with soap (or special detergent) in time, rinse your mouth with clean water, and protectors should be cleaned in time and stored in a centralized manner. (√)
84. [Multiple choice question] When measuring the insulation resistance of the test sample, it should generally be carried out under the condition that the air is relatively wet and the degree of "safety production simulation test is not higher than 80%. (√)
85. [Multiple choice question] When lifting equipment using the dual-machine slip method, two people should command two cranes respectively. (×)
86. [Multiple choice question] If the workplace is insufficient, you can work at a high place. ( × )
87. [Judgement Question] The end of the wire rope rope is fixed with a rope clamp, with at least three rope clamps, and the spacing of the rope clamps is 6 times the diameter of the wire rope, and the tail rope should not be less than 140mm. () ( √ )
88. [Judgement Question] () The "Special Equipment Safety Law of the People's Republic of China" stipulates that the special equipment production, operation and use units shall conduct self-test and maintenance of the special equipment produced, operation and use, and shall undergo inspection after receiving the inspection notice issued by the inspection agency. (×)
89. [Multiple choice question] The protective barrier can be in the form of protective earth embankments, reinforced concrete protective barriers or rammed earth protective walls. (√)
90. [Judgement Question] pressure withstand voltage test mainly includes DC pressure withstand voltage test , AC pressure withstand voltage test and impact pressure withstand voltage test. (√)
91. [Judgement Question] Employers who use toxic substances should take effective occupational health protection management measures in accordance with the relevant provisions of Occupational Disease Prevention and Control Law to strengthen protection and management during the labor process.(√)
92. [Multiple choice question] Use a multimeter to measure the resistance, and ohmic zeroing is required every time you change the ohmic gear. (√)
93. [Multiple choice question] Chen is the head of a quarry in a village and signed a one-year contract with the villagers' committee of a village. During production, in order to save labor and materials, Chen violated the regulations on the prohibition of using the "hushpan-shaped" method to mine ore. He fired too much waist cannons and foot cannons, causing the rock surface to gradually form a "hushpan-shaped" (the rock surface tilts forward), which poses a hidden danger of landslide. On the morning of December 24, a certain year, Chen and two assistants installed 9.8 kilograms of explosives in a gun hole at the west foot of Chaobeikou, which detonated at around 8 a.m. After the explosion, Chen violated the provision that "after the artillery is completed, he must pry out dangerous stones and pumice stones from top to bottom in time. Before the removal, the personnel below him are not allowed to produce before they are removed." He ordered his assistant Jin to whistle and lift the alert, causing more than 20 migrant workers who were hiding only 80 meters away from the explosion site to flock to the quarry to transport stones. Just about 2 minutes before the cannon fire, Chen and several other migrant workers in stone transport found mud and small stones falling from the top of the rock wall, and shouted together: Danger, run away! The shouting did not fall. 7.755 cubic meters of mud and stone collapsed from the 16.5m high-rise and 2.5m wide rock surface, causing 7 deaths and 2 minor injuries to directly lose more than 100,000 yuan in major safety accident . Based on the above facts, please judge whether the following statement is correct. Enterprises do not need to formulate blasting operations safety regulations and establish gun avoidance (facilities) locations. (×)
94. [Multiple choice question] () In order to learn from the accident, serious handling of the person responsible for the accident is the only correct way. (×)
95. [Multiple choice question] () In lifting machine , it is equipped with various lighting equipment and signal devices, which can be divided into three types: on-machine, down-machine and moving. (√)
96. [Multiple choice question] () No calculating and explosive dangerous goods shall be carried out without safety measures. (√)
97. [Multiple choice question] () If you do not abide by the rules and regulations, an accident will come to you. (√)
98. [Multiple choice question] () Lifting operators should strictly implement the lifting and lifting safety operating rules and regulations of the relevant superior departments and their enterprises. (√)
99. [Multiple choice question] () Before lifting, make sure that there are no people or obstacles around the lifting machinery. (√)
100. [Multiple choice question] () The diameter of the wire rope is represented by its inner circle, and is generally measured by vernier caliper . (×)
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