2022 tower crane driver examination and tower crane driver examination questions and analysis

Source of question bank ： Safety production simulation test, a little public official account.

Pass the safety production simulation exam at one point ： Tower crane driver test is a set of tower crane driver test questions and analysis generated in the general question bank of safety production simulation test one point pass , One point of safety production simulation test is to practice simultaneously with the mobile phone of tower crane driver .2022 Examination and analysis of tower crane driver in

1、【 Multiple choice 】 Lifting operation “ Ten don't hang ” The provisions of the , The following statements are correct ：( ).（ ABC ）
A、 Do not hoist if the command signal is unclear or disorderly
B、 Do not lift objects with unclear weight or overload
C、 Cable stayed objects are not suspended
D、 Do not lift dangerous goods
2、【 Multiple choice 】 The main cause of brake failure is ( ).（ BCD ）
A、 Brake band clearance is too small
B、 The brake band is worn
C、 Spring failure
D、 With oil
3、【 Multiple choice 】 The crane driver should be well prepared for the crane being operated ( ) Etc .（ AB ）
A、 adjustment
B、 lubrication
C、 cleaning
D、 repair
4、【 Multiple choice 】 After operating the controller , Troubleshooting method of overcurrent relay tripping ？（ ABC ）
A、 Eliminate mechanical jamming ; Open the brake
B、 Check whether there is grounding or short circuit in the main circuit
C、 Adjust the setting value of overcurrent relay to 2.5 Times the rated current
D、 Check the hydraulic brake oil level for lack of oil
5、【 Multiple choice 】《 Safety Law of the people's Republic of China on special equipment 》 Article 84 provides that , The special equipment of the unit using the special equipment has serious potential accidents , No modification 、 Repair value , Or meet other scrapping conditions specified in safety technical specifications , Failure to fulfill the scrapping obligation according to law , And go through the cancellation procedures of the use registration certificate . Order to stop using relevant special equipment , It's about ( ) above ( ) The following fines .（ BC ）
A、 Two thousand yuan
B、 Thirty thousand yuan
C、 Three hundred thousand yuan
D、 200000 yuan
6、【 Multiple choice 】 A brief account of the accident : One is installed in a mold Co., Ltd 10t Bridge crane , When two truck cranes lift the main beam at the same time , The binding wire rope breaks suddenly , Cause to fall to the ground , Cause serious bending and deformation of the main beam , Fortunately, no casualties were caused . Accident investigation : After investigation : The two truck cranes are the hoisting work undertaken by the company according to the small advertisement posted on the side of the road , The rental crane unit has no crane hoisting qualification , The driver has no operation certificate . Accident cause analysis :( )（ ABC ）
A、 Wire rope binding error
B、 Hoisting command error
C、 In violation of the 《 Regulations on safety supervision of special equipment 》 Article 17
D、 Poor rigidity of main beam of falling crane
7、【 Multiple choice 】 Tower cranes are divided into :( ).（ BC ）
A、 Fixed type
B、 Swing up
C、 Downward rotation
D、 Walking
8、【 Multiple choice 】 What are the main components of the transmission mechanism of the tower crane :( ).（ ABCD ）
A、 Lifting mechanism
B、 Luffing mechanism
C、 Rotary mechanism
D、 Traveling mechanism

9、【 Multiple choice 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations ： Production of special equipment 、 business 、 The user shall equip special equipment in accordance with the relevant provisions of the state ( ) personnel , And carry out necessary safety education and skill training .（ BCD ）
A、 Salesman
B、 Safety management personnel
C、 Testing personnel
D、 Operators
10、【 Multiple choice 】《 Safety Law of the people's Republic of China on special equipment 》 Article 14 provides that , Special equipment ( )、 Testing personnel and ( ) It shall obtain corresponding qualifications in accordance with the relevant provisions of the state , Before engaging in relevant work .（ AB ）
A、 Safety management personnel
B、 Operators
C、 Repair personnel
11、【 Multiple choice 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , The following ( ) The equipment shall be scrapped , And cancel it with the original registration authority .（ CD ）
A、 There have been many accidents
B、 Beyond the inspection cycle
C、 There are serious potential accidents , No modification 、 Maintenance value
D、 Meet other scrapping conditions specified in the safety technical specifications
12、【 Multiple choice 】 According to the winding direction of the steel wire rope, it can be divided into ：( ).（ CD ）
A、 Wrap the rope around the
B、 Lower winding rope
C、 Left winding rope
D、 Right winding rope
13、【 Multiple choice 】 Troubleshooting method for brake failure to open （ BDEF ）
A、 Adjust the clearance between brake shoe and brake wheel , Make the gap on both sides even .
B、 Replace the solenoid
C、 Check the oil level , Keep the oil level between the dipstick marks
D、 Check the hydraulic brake oil level for lack of oil
E、 Adjust the spring tightness
F、 Adjust the working stroke
14、【 Multiple choice 】 The pulleys used in hoisting machinery can be divided into ：( ).（ CD ）
A、 Single pulley
B、 Double pulley
C、 Movable pulley
D、 Fixed pulley
15、【 Multiple choice 】 The composition of the travel limiter is :( ).（ AD ）
A、 Safety ruler
B、 screw
C、 Drum gear
D、 Limit switch
16、【 Multiple choice 】 The inspection methods and steps of travel switch are ( ).（ BCD ）
A、 Check when the crane is powered off
B、 Check when the crane is powered
C、 Check when the crane is empty
D、 Start the limit switch first , Then turn it on and check
17、【 Multiple choice 】 The parties concerned ( ) etc. , Making it impossible to determine the responsibility for the accident , Should take full responsibility .（ ABC ）
A、 Forge or deliberately destroy the scene of the accident
B、 Destroy evidence
C、 Failure to report accidents in time
18、【 Multiple choice 】 The basic requirements for the operation of the operating mechanism are “ Three stability ”, namely :( ).（ ABD ）
A、 Stable starting
B、 Stable operation
C、 Steady descent
D、 Stop steadily
19、【 Multiple choice 】 The main beam is made into a certain camber to :( ).（ BCD ）
A、 strength 、 Material Province
B、 Increase bearing capacity
C、 Eliminate or reduce the additional resistance during trolley operation
D、 Eliminate or reduce self sliding during trolley operation
20、【 Single topic selection 】 In order to obtain proper braking torque for the brake , Should be adjusted ( ).（ B ）
A、 Electromagnet stroke
B、 Working length of main spring
C、 Clearance between brake pad and brake wheel
21、【 Single topic selection 】 Shackles are divided into... According to their shape ：( ).（ A ）
A、 Straight
B、 square
C、 quadrilateral
22、【 Single topic selection 】( ) It refers to special lifting 、 Luffing 、 The command signal used separately by the crane of the slewing mechanism .（ B ）
A、 Universal gesture signal
B、 Special gesture signal
C、 Sound signal
23、【 Single topic selection 】 During crane operation , Operation method of sudden failure of hoisting mechanism brake .1、 If it can rise , Then put it to the zero position and the lifted object drops again , The lifting object shall be raised , However, it is forbidden to use the fastest gear to rise 2、 Send an emergency signal at the same time , And find the place where the weight falls , Put down the lifting object for maintenance 3、 If after counting or reverse operation , The load is still sliding , Start with electrical control : Pull down the emergency switch immediately , Then pull down the knife switch of the protection box and cut off the power supply for maintenance 4、 Start with the mechanical aspect : Point or reverse operation to raise the lifted object , The order of processing is ？（ C ）
A、3—2—1—4
B、2—3—4—1
C、4—1—2—3
D、1—2—4—3
24、【 Single topic selection 】 Vision of crane driver （ Including vision correction ） Requirements should be in ( ) above , No color blindness .（ B ）
A、1
B、0.7
C、0.4
25、【 Single topic selection 】 The steel wire rope depends on the toughness of the steel wire , Divide the steel wire into :( ).（ B ）
A、2 level
B、3 level
C、4 level
26、【 Single topic selection 】 General hand signal regulations : Extend the forearm to the front and top of the side , Five fingers stretch out naturally , Above the shoulder , Rotation with the wrist as the axis indicates ( ).（ D ）
A、 The main hook
B、 Want a secondary hook
C、 The hook is lowered
D、 The hook rises
27、【 Single topic selection 】 What letter is the span in ( ).（ C ）
A、K
B、L
C、S
28、【 Single topic selection 】 The hydraulic push rod pad brake ensures the minimum force distance of the brake pad , Stroke of hydraulic push rod ( ) The better .（ A ）
A、 The smaller it is
B、 The bigger it is
C、 Any size
29、【 Single topic selection 】 Safety Law of the people's Republic of China on special equipment 》 Regulations , The state's production of special equipment 、 business 、 Use , The implementation of ( )、 Safety supervision and management of the whole process .（ A ）
A、 Classified
B、 comprehensive
C、 Part of the
30、【 Single topic selection 】 The drum wall is worn up to... Of the original wall thickness ( ) when , Should be scrapped .（ C ）
A、8%
B、10%
C、20%
31、【 Single topic selection 】 It is inconvenient to check the drum shaft at ordinary times , It should be on the crane ( ) Time check .（ C ）
A、 Minor repairs
B、 Secondary school
C、 overhaul
32、【 Single topic selection 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , Country ( ) Insure special equipment safety liability insurance .（ A ）
A、 encourage
B、 recommend
C、 mandatory
33、【 Single topic selection 】 The height of the end stop frame of the crane running track shall be... Higher than that of the crane crane buffer ( ).（ C ）
A、 Greater than
B、 Less than
C、 Adaptation
34、【 Single topic selection 】 Hemp rope is mainly used for binding objects and hoisting ( )kg The following lighter objects .（ A ）
A、500
B、1000
C、1500
35、【 Single topic selection 】 The steel wire rope is fixed on the drum 1 outside a circle , At least keep ( ) circle .（ A ）
A、2
B、3
C、4
36、【 Single topic selection 】 When the lifting weight reaches the rated lifting capacity ( ) when , The lifting mechanism of the self-propelled crane will stop automatically .（ B ）
A、95％～100％
B、100％～105％
C、105％～110％
37、【 Single topic selection 】 Connection between the end of the steel belt of the back pad of the belt brake and the fixed part , Should use ：( ).（ A ）
A、 Hinge
B、 Bolted connection
C、 riveting
38、【 Single topic selection 】 In the crane parameters, the lifting height is expressed in ( ) Letters mean .（ B ）
A、S
B、H
C、A
39、【 Single topic selection 】 Crane parameters , Cart 、 Car 、 The nominal unit of lifting speed is :( ).（ C ）
A、 turn ／ branch
B、 rice ／ second
C、 rice ／ branch
40、【 Judgment questions 】 Universal gesture signal : Keep your arms straight over your head , Five fingers stretch out naturally , Keep your palms facing forward to indicate “ The main hook ”.（ × ）
41、【 Judgment questions 】 When heavy load descends , Push the handle to the last gear quickly , When the lifted object reaches the stop position , Quickly pull the handle back to the zero position from the last gear , Don't pause in the middle .（ √ ）
42、【 Judgment questions 】 The total voltage behind the series circuit is equal to the sum of the partial voltages .（ √ ）
43、【 Judgment questions 】《 Hoisting command signal 》 Not applicable to mine hoisting equipment 、 Manned elevator equipment .（ √ ）
44、【 Judgment questions 】 When checking the hook , First, clean the hook body with engine oil , And then use 20 Check the hook body for fatigue cracks with a magnifying glass , Especially for dangerous sections, be careful 、 Check carefully .（ × ）
45、【 Judgment questions 】 The dynamic load test shall be conducted separately first , And then the experiment of joint action .（ √ ）
46、【 Judgment questions 】 When jacking , Too high oil pressure of the hydraulic system is easy to damage the hydraulic system .（ √ ）
47、【 Judgment questions 】 The winch wire rope is improperly wound on the drum or pulley , If there are no metal rods or rods to adjust , Use your hands to move .（ × ）
48、【 Judgment questions 】 passageway 、 aisle 、 Stairs 、 Entrances and exits and access to fire fighting equipment 、 The road of water source should be kept unobstructed .（ √ ）
49、【 Judgment questions 】 The braided and lengthened steel wire rope shall not be used for hoisting mechanism and luffing mechanism .（ √ ）
50、【 Judgment questions 】 For quick loading and unloading, the hook can not be equipped with anti falling device .（ × ）
51、【 Judgment questions 】 The purpose of adjusting the stroke of the electromagnet is to release the brake , The clearance between left and right brake pads and brake wheels is equal .（ × ）
52、【 Judgment questions 】 The crane driver shall observe the lifting operation “ Ten don't hang ” The provisions of the .（ √ ）
53、【 Judgment questions 】 The escalator used for climbing shall be provided with anti-skid measures , And there is a specially assigned person to monitor .（ √ ）
54、【 Judgment questions 】 The lifting mechanism shall adopt normally closed brake .（ √ ）
55、【 Judgment questions 】 The lifting mechanism can be stopped with a height limiter .（ × ）
56、【 Judgment questions 】 The lifting operation is highly technical , High degree of mechanization during operation , Generally, there will be no casualties .（ × ）
57、【 Judgment questions 】《 Measures for supervision and management of special equipment operators 》 Put the boiler 、 Pressure vessel （ Including gas cylinders ）、 Penstock 、 The elevator 、 Hoisting machinery 、 Passenger ropeway 、 Large amusement facilities 、 site （ factory ） Special equipment operators such as motor vehicles and their relevant management personnel are collectively referred to as special equipment operators .（ √ ）
58、【 Judgment questions 】 The small crack on the surface of the hook is repaired by welding , As long as the rated lifting capacity does not exceed the original value , Can continue to use .（ × ）
59、【 Judgment questions 】 Lubrication is one of the main contents of crane driver maintenance .（ √ ）
60、【 Judgment questions 】 A crane with a high lifting height , There shall be devices or measures to prevent the rotation of steel wire rope and spreader .（ √ ）
61、【 Judgment questions 】 The dangerous section of the hook is an important part in daily inspection and safety inspection .（ √ ）
62、【 Judgment questions 】 The twist of the hook exceeds 10° Should be scrapped .（ √ ）
63、【 Judgment questions 】 The brake of the lifting mechanism on the crane must be able to brake reliably 1.25 Times the rated load .（ √ ）
64、【 Judgment questions 】 The secondary maintenance of the crane shall be carried out every six months .（ √ ）
65、【 Judgment questions 】 When the grab blade plate is seriously worn or has large deformation , Repair or replace in time .（ √ ）
66、【 Judgment questions 】 After the crane driver's work , Place all handles in the zero position , You can leave the crane .（ × ）
67、【 Judgment questions 】 The rated lifting capacity of grab crane includes the self weight of grab .（ √ ）
68、【 Judgment questions 】 During the jacking process of tower crane , Non operators are not allowed to climb the top jacket platform .（ √ ）
69、【 Judgment questions 】 Electrical equipment and lines due to insulation aging , Will cause leakage current 、 The dielectric loss increases , Cause insulation overheating and damage . This can lead to fire and explosion .（ √ ）
70、【 Judgment questions 】 The use of tower crane shall comply with the designed working level .（ √ ）
71、【 Judgment questions 】 Both ends of rail tower crane 2-3 m , Travel limit device shall be set .（ √ ）
72、【 Judgment questions 】 Control the lifting speed , Achieve “ Fast at both ends , Slow in the middle ”.（ × ）
73、【 Judgment questions 】 Electrical failure , In case of short circuit 、 Overload and motor lack of equal electrical fault , Will cause a sharp increase in voltage , A rise in temperature , Cause a fire .（ × ）
74、【 Judgment questions 】 In case of electrical equipment failure , Immediately report to the equipment department and ask an electrician to repair , Never do it yourself .（ √ ）
75、【 Judgment questions 】 Hemp rope shall not be used for motorized lifting machinery or places with large stress .（ √ ）
76、【 Judgment questions 】 The buffer shall have the performance of absorbing the energy of the moving mechanism and increasing the impact .（ × ）
77、【 Judgment questions 】 Wheel slip is caused by serious wear of wheel diameter .（ √ ）
78、【 Judgment questions 】 New crane 、 The fixture shall be load tested , It can only be used after passing the inspection .（ √ ）
79、【 Judgment questions 】 The rated lifting capacity of the crane only refers to the maximum allowable lifting weight of the crane during normal operation .（ × ）
80、【 Judgment questions 】《 Safety Law of the people's Republic of China on special equipment 》 The special equipment mentioned in the refers to the boiler that has great danger to personal and property safety 、 Pressure vessel （ Including gas cylinders ）、 Penstock 、 The elevator 、 Hoisting machinery 、 Passenger ropeway 、 Large amusement facilities 、 site （ factory ） Special motor vehicles in the , And the law 、 Other special equipment to which this Law applies in accordance with administrative regulations .（ √ ）
81、【 Judgment questions 】 The smaller the drum diameter of the hoisting mechanism, the greater the damage to the steel wire rope .（ √ ）
82、【 Judgment questions 】 Excessive wheel diameter deviation will cause “ Gnawing track ” fault .（ √ ）
83、【 Judgment questions 】《 Production safety law of the people's Republic of China 》 Regulations , Safety production management , Insist on safety first 、 The policy of putting prevention first .（ √ ）
84、【 Judgment questions 】 Wheel flange wear or cracking will cause the risk of crane derailment .（ √ ）
85、【 Judgment questions 】 To develop 《 Safety Law of the people's Republic of China on special equipment 》 The purpose is ： Strengthen the safety of special equipment , Prevent special equipment accidents , Protect personal and property safety , Promote economic and social development .（ √ ）
86、【 Judgment questions 】 The traveling stopper is set to ensure the lifting safety .（ × ）
87、【 Judgment questions 】 Before closing the main power supply , All controller handles shall be set to zero position .（ √ ）
88、【 Judgment questions 】 The controller is protected from zero , The stator circuit is connected to the motor , Make the rotor circuit power on when the resistance is small .（ × ）
89、【 Judgment questions 】 AQSIQ No 140 Orders 《 Measures for supervision and management of special equipment operators 》 since 11 year 7 month 1 It will be implemented nationwide as of the th .（ √ ）
90、【 Judgment questions 】 When two cranes work adjacent to each other , Large rotations should be used whenever possible .（ × ）
91、【 Judgment questions 】 In case of fire, call the police immediately . Call the police 119.（ √ ）
92、【 Judgment questions 】 Serious corrosion of steel wire rope will also reduce the elasticity of steel wire rope .（ √ ）
93、【 Judgment questions 】 If there are cracks on the pulley, it can be used after welding .（ × ）
94、【 Judgment questions 】 The dead knot of steel wire rope must be scrapped and renewed .（ √ ）
95、【 Judgment questions 】 For broken and worn steel wire rope , Just consider one of these factors .（ × ）
96、【 Judgment questions 】 When the wire rope adopts the device rope clamp, at least three rope clamps shall be used, and the spacing distance between the rope clamps shall be the diameter of the wire rope 6 times , And the tail rope shall not be less than 140mm.（ √ ）
97、【 Judgment questions 】 If the driver finds the equipment 、 Abnormal phenomenon or failure of mechanical parts , Try to eliminate... After work .（ × ）
98、【 Judgment questions 】 Special equipment does not meet the energy efficiency index , The user of special equipment shall take corresponding measures for rectification .（ √ ）
99、【 Judgment questions 】 Before each lifting , The hook head shall be adjusted to the plumb line of the center of gravity of the lifted object .（ √ ）
100、【 Judgment questions 】 Crane luffing shall be slow and stable , It is forbidden to change gears before the boom stops stably ; The crane load reaches... Of the rated lifting capacity 90％ And more than , Do not lower the boom .（ √ ）
Support the examination questions of precision tower crane drivers in all regions of the country , Support safety certificate , Special operation certificate , Exercises on the question bank of vocational skill appraisal and other types of work .