2022 t elevator repair operation certificate examination questions and answers

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

2022T The title of elevator repair certificate is T Review questions for elevator repair must be practiced before the exam ！2022 year T The examination questions and answers of elevator repair operation certificate are based on T New examination outline for elevator repair .T The question bank of elevator repair simulation examination can accurately grasp the key points of the examination at any time according to the one-point pass of safety production simulation examination .

1、【 Multiple choice 】 Elevator traction rope , There is a high demand for , But does not include （）.（  CD  ）

A、 tensile

B、 wear-resisting

C、 heat-resisting

D、 Withstand pressure

2、【 Multiple choice 】 Escalators are generally made of （） And security system .（  ABCD  ）

A、 Ladder Road

B、 drive

C、 frame

D、 control

3、【 Multiple choice 】 Escalator service brake , Common types are （）.（  ABC  ）

A、 Disc brakes

B、 Block brake

C、 Belt brake

D、 Point brake

4、【 Multiple choice 】 Escalator auxiliary brake , It's usually （） My brakes .（  AC  ）

A、 Install according to the needs of users

B、 Must install

C、 The lifting height exceeds 6 Rice must be loaded

D、 The lifting height exceeds 4 Rice must be loaded

5、【 Multiple choice 】 The escalator adopts brake , Generally speaking, there are （） Brakes .（  ABC  ）

A、 Service brake

B、 Emergency brake

C、 Secondary brake

D、 Normal brake

6、【 Single topic selection 】GB16899-2011《 Specification for the manufacture and installation of escalators and escalators 》 Regulations ： Anywhere within the working section , The maximum horizontal clearance between adjacent steps of the escalator measured from the tread shall be （）mm.（  C  ）

A、4

B、5

C、6

D、7

7、【 Single topic selection 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations ： The unit using special equipment shall regularly inspect the special equipment it uses （） And regular self inspection , And make records .（  A  ）

A、 Maintenance

B、 Maintenance and transformation

C、 Sanitation

D、 Energy efficiency test

8、【 Single topic selection 】《 Special equipment safety law 》 Regulations ： Special equipment safety management personnel 、 Inspectors and operators fail to perform their duties , Violation of operating procedures and relevant safety rules and regulations ,（） Of , Disqualification of relevant personnel .（  B  ）

A、 Cause trouble

B、 Cause an accident

C、 Impact

D、 Cause trouble

9、【 Single topic selection 】《 Special equipment safety law 》 Regulations ： Production of special equipment 、 business 、 User , Operators shall be trained as necessary （） Education and skills .（  B  ）

A、 moral

B、 Security

C、 Culture

D、 Social humanities

10、【 Single topic selection 】《 Special equipment safety law 》 Regulations ： Special equipment , It can be used continuously after reaching the design service life , It shall pass the inspection or... According to the requirements of safety technical specifications （）, And handle the change of use registration certificate , Can continue to use .（  A  ）

A、 Safety assessment

B、 Security discussion

C、 Experience judgment

D、 Safety expectations

11、【 Single topic selection 】《 Safety code for elevator manufacturing and installation 》（GB7588—2003） Regulations ： At the of traction driven elevator （） Maintenance device must be set .（  B  ）

A、 Computer room

B、 Car roof

C、 Car control panel

D、 Machine room and car roof

12、【 Single topic selection 】 Professional discipline is the behavior that people engaged in a certain profession should abide by in a specific range of professional activities （）.（  B  ）

A、 standard

B、 Rules

C、 platform

D、 principle

13、【 Single topic selection 】 The supervision and inspection methods for the implementation of mandatory standards for engineering construction include （）（  C  ）

A、 Focus on

B、 Regular inspection

C、 Spot check

D、 Irregular inspection

14、【 Single topic selection 】《 Elevator Supervision Inspection and regular inspection rules — Hydraulic elevator 》（TSGT7004—2012） Regulations ： The triggering methods of hydraulic elevator safety gear are .（  D  ）

A、 Triggered by the speed limiter

B、 Triggered by linkage failure

C、 It is triggered by the downward movement of the lift car

D、 All options

15、【 Single topic selection 】 After the three-phase AC motor loses power, the braking mode of applying DC power to its winding is （）.（  A  ）

A、 Energy consumption braking

B、 Reverse braking

C、 Feedback braking

D、 Mechanical braking

16、【 Single topic selection 】 The wall frame attached to the material elevator can adopt （） Connect with frame and building .（  D  ）

A、 Wooden pole

B、 Bamboo pole

C、 a wire rope

D、 Steel pipe

17、【 Single topic selection 】 Handover inspection between previous and subsequent processes , Generally by （） Organized .（  C  ）

A、 Construction personnel

B、 Testing personnel

C、 Person in charge of the construction site

D、 User

18、【 Single topic selection 】 When working at heights, hand-held tools and sporadic materials shall be placed in （）.（  C  ）

A、 Coat pocket

B、 Trouser pocket

C、 Tool bag

D、 On the scaffold board

19、【 Single topic selection 】 Mechanical parts of the same specification shall be manufactured according to the specified technical requirements , Performance that can replace each other and have the same effect , Called mechanical parts （）.（  B  ）

A、 Substitutability

B、 Interchangeability

C、 similarity

D、 Commonality

20、【 Single topic selection 】 The scope of special operation personnel is determined by ____ The Department in charge of the supervision and administration of work safety shall, in conjunction with the relevant departments of the State Council, determine .（  B  ）

A、 The prosecutor's office

B、 The State Council

C、 court

D、 Production department

21、【 Single topic selection 】 Connect any two of the three-phase asynchronous motor power lines （ Excluding zero line and ground line ） Swap , Then the motor （）.（  B  ）

A、 braking

B、 reverse

C、 The speed decreases

D、 unchanged

22、【 Single topic selection 】 The enterprise is within the validity period of the work safety license , Strictly abide by the laws and regulations related to safety production , When the valid period of work safety license expires ,（） With the consent of the original work safety license issuing and administration authority , No longer review .（  C  ）

A、 There are no casualties

B、 No serious casualty accident occurred

C、 No fatal accident occurred

D、 No serious fatal accident occurred

23、【 Single topic selection 】 When hoisting near the external power overhead line , Any part of the crane or the edge of the object to be lifted is in contact with when the maximum deflection occurs 10kV The minimum safety distance of overhead line sideline is （）.（  B  ）

A、 vertical direction 1.5m, horizontal direction 1.5m

B、 vertical direction 3.0m, horizontal direction 2.0m

C、 vertical direction 4.0m, horizontal direction 3.5m

D、 vertical direction 5.0m, horizontal direction 4.0m

24、【 Single topic selection 】 The operator with certificate obtains the certificate by cheating in the exam or by other deceptive means 《 Special equipment operator certificate 》 Of , Revoke 《 Special equipment operator certificate 》,（） You may not apply for 《 Special equipment operator certificate 》.（  B  ）

A、5

B、3

C、4

D、 lifetime

25、【 Single topic selection 】 According to the degree of accident casualties and economic losses , Fires are classified as particularly major fires 、 fire disaster 、 and （） Four levels .（  B  ）

A、 Large fire , Special fire

B、 Large fire , General fire

C、 Special fire , General fire

D、 General fire , Specific fires

26、【 Single topic selection 】 The safety production management organization and engineering projects of construction enterprises shall be equipped with a corresponding number of personnel in relevant disciplines in accordance with the provisions （）.（  D  ）

A、 project manager

B、 Construction worker

C、 Quality controller

D、 Full time safety production management personnel

27、【 Single topic selection 】 The performance of traction wire rope has the following requirements , But does not include （）.（  D  ）

A、 Higher strength

B、 Good wear resistance

C、 Good flexibility

D、 High temperature resistance

28、【 Single topic selection 】（） The basic principle of is the code used to guide and restrict people's professional behavior .（  D  ）

A、 Responsibilities

B、 law-abiding

C、 Standard

D、 The professional ethics

29、【 Single topic selection 】 Of the production and business operation unit （） Organize employees to participate in the democratic management and supervision of the work safety of the unit according to law , Safeguard the legitimate rights and interests of employees in production safety .（  B  ）

A、 Board of directors

B、 Labour Union

C、 Production safety section

D、 The office

30、【 Single topic selection 】 according to 《 Measures of Guangxi Zhuang Autonomous Region for the administration of dynamic deduction of points for safe production of housing construction and municipal infrastructure projects 》 Regulations , In case of production safety accidents and failure to fulfill safety production responsibilities of relevant enterprises and personnel , Within the time limit for rectification , For the same deduction （） Deduct points .（  C  ）

A、 Allow repetition

B、 Can be repeated

C、 Don't repeat

D、 It can be accumulated

31、【 Single topic selection 】 Before formwork installation and support erection, it shall be in accordance with （） Setting out and positioning of design drawings in .（  C  ）

A、 Construction drawings

B、 Structural construction drawing

C、 Special construction scheme

D、 Construction organization design

32、【 Single topic selection 】 Electrical components of material elevator 、 Insulation resistance between conductor and box shell and to ground , It should not be less than （　　） Mega ohm .（  D  ）

A、0、1

B、0、2

C、0、3

D、0、5

33、【 Single topic selection 】 What is incorrect about the basic conditions that special construction workers should have is （　）.（  A  ）

A、 Over the age of 16 One year old and meet the age requirements of corresponding special operation regulations

B、 Within the past three months, they have passed the physical examination in hospitals above grade II B, and there are no diseases and physiological defects that hinder them from engaging in corresponding special operations

C、 Junior high school or above

D、 Meet other conditions specified for corresponding special operation

34、【 Single topic selection 】 A certain station is on 、 The lower platform is respectively equipped with automatic starting device for operation （ Preset the lower platform starting device to start the escalator up 、 The lower platform starting device starts the escalator to go down ） The escalator , If passengers enter on the platform , basis GB16899-2011 The requirements of , The escalator will （）.（  A  ）

A、 Keep going up

B、 Stop the ladder

C、 Stop the ladder and go down

D、 Undetermined

35、【 Single topic selection 】 Chrome plating process is adopted , It can repair parts , It can also improve the surface of parts （　　）.（  C  ）

A、 Strength

B、 Rigidity

C、 Wear resistance

D、 plasticity

36、【 Single topic selection 】 The unit of potential , yes （）.（  B  ）

A、 Ampere

B、 Volt

C、 Joules

D、 kw

37、【 Single topic selection 】 The steel wire rope clamp is mainly used for the connection of steel wire rope and the threading and winding pulley group of steel wire rope ' Ann Pass the whole production simulation exam at one point ' Fixation of rope end , The diameter is 18~26mm The minimum number of rope clamps selected for the fixation of the steel wire rope section is （　　）（  C  ）

A、6

B、5

C、4

D、3

38、【 Single topic selection 】 Personnel engaged in special construction operations , The basic conditions that should be met do not include （　）.（  D  ）

A、 Over the age of 18 One year old and meet the age requirements of corresponding special operation regulations

B、 Within the past three months, they have passed the physical examination in hospitals above grade II B, and there are no diseases and physiological defects that hinder them from engaging in corresponding special operations

C、 Junior high school or above

D、 Have the operation experience of corresponding ordinary type of work

39、【 Single topic selection 】 The weldability of metal means that the metal material is good for （） The adaptability of .（  C  ）

A、 Welding processing

B、 Process factors

C、 Performance

D、 Durability

40、【 Single topic selection 】 Where on the falling datum （）m above （ contain ） Work at heights that may fall is work at heights .（  B  ）

A、1

B、2

C、4

D、6

41、【 Single topic selection 】 In the elevator model , Letters expressing variety code “G”, What does it mean .（  B  ）

A、 High speed elevator

B、 Sightseeing elevator

C、 Engineering elevator

D、 High rise elevator

42、【 Single topic selection 】 The shield excavated belt conveyor shall be equipped with ____.（  A  ）

A、 Protection and special personnel shall be responsible for

B、 Safety net

C、 Isolation belt

D、 The scaffold

43、【 Single topic selection 】 Before the implementation of construction project supervision ,____ The entrusted project supervision unit shall be 、 Contents and authority of supervision , Inform the supervised construction enterprise in writing .（  C  ）

A、 Construction unit

B、 Department in charge

C、 Construction unit

D、 Higher authorities

44、【 Single topic selection 】（）, It means that the power supply and load do not form a closed loop .（  A  ）

A、 Open the way

B、 A short circuit

C、 On load working state

D、 Power failure status

45、【 Multiple choice 】 The phenomenon of water and steam together is （）（  ABCD  ）

A、 The steam and water in the drum rise together , Froth ;

B、 The boundary between steam and water is not clear ;

C、 Steam carries a lot of water ;

D、 The water level of the water level gauge fluctuates violently , It's hard to watch .

46、【 Single topic selection 】 When quenched steel is tempered , With the increase of tempering temperature , The change trend of its mechanical properties is （）（  A  ）

A、 The strength and hardness are improved , Plastic toughness is improved .

B、 Strong hardness decreases , Plastic toughness decreases .

C、 The strength and hardness are improved , Plastic toughness decreases

D、 The strength and hardness are improved , Plastic toughness remains unchanged

47、【 Single topic selection 】 The contract cost of equipment installation of a project is 6000 ten thousand , The general contractor undertaking the project shall be equipped with at least （） Full time safety production management personnel .（  B  ）

A、1

B、2

C、3

D、4

48、【 Multiple choice 】 Other parts of the boiler mainly include ____.（  BCE  ）

A、 Convection tube bundle

B、 Furnace wall

C、 Grate

D、 Pyrotechnic pipe

E、 Boiler steel frame

49、【 Single topic selection 】 The wall frame attached to the material elevator can adopt （） Connect with frame and building .（  D  ）

A、 Wooden pole

B、 bamboo

C、 a wire rope

D、 Steel pipe

50、【 Single topic selection 】 The temperature of medium temperature tempering is （）（  C  ）

A、150~250℃

B、350-500℃

C、500-600℃

D、600-700℃

51、【 Multiple choice 】（） The report and investigation handling of... Are not applicable 《 Regulations on reporting, investigation and handling of production safety accidents 》.（  ABC  ）

A、 Environmental pollution accidents

B、 Nuclear facility accident

C、 National defense scientific research and production accidents

D、 Personal injury or death caused by accidents in production and operation activities

E、 Engineering quality accident

52、【 Multiple choice 】 When there is a possibility of crowd crowding at the position of the edge railing , What measures should be taken ？（）（  BC  ）

A、 Set the double cross bar

B、 Increase the spacing of vertical poles

C、 Increase the cross section of the cross bar

D、 Add dense mesh safety net

E、 Add toe board

53、【 Judgment questions 】 The fuel consumption rate refers to every hour of diesel engine operation , The weight of fuel consumed to produce an average of one horsepower .（）（  √  ）

54、【 Judgment questions 】 Construction workers' safety helmets and motorcycle helmets can be used in general .（  ×  ）

55、【 Judgment questions 】TSGT7005-2012《 Check the rules ( abbreviation )- Escalators and moving sidewalks 》 Regulations ： Towards the steps 、 The handrail on one side of the pedal or tape shall be smooth 、 Flush .（  √  ）

56、【 Judgment questions 】 The resistance of a conductor to current is called resistance .（  √  ）

57、【 Judgment questions 】 In order to keep the wiring in good contact , The connection between wire cores shall be hung with tin .（  √  ）

58、【 Judgment questions 】 The speed regulation principle of AC two speed elevator is to realize high-speed and low-speed operation by changing the pole pairs of elevator traction motor .（  √  ）

59、【 Judgment questions 】《 Special equipment safety law 》 Regulations , Safety operators of special equipment shall regularly check the use of special equipment , Problems found should be dealt with immediately .（  √  ）

60、【 Judgment questions 】 When examining and Issuing the construction permit, the competent construction administrative department , It should be built " Ann whole production Pass the mock exam at one point " Whether there are safety construction measures for the design project , For those without safety construction measures , No construction permit shall be issued .（  √  ）

61、【 Judgment questions 】 The reverse rope sheave is the key component to form the elevator with different traction ratio , therefore , The reverse rope pulley must be set in the traction driven elevator .（  ×  ）

62、【 Judgment questions 】 Escalators and moving sidewalks used in China , Warning signs 、 explain 、 Instructions for use, etc , It should be in a prominent position , And in clear and neat Chinese .（  √  ）

63、【 Judgment questions 】 emergency door , It's for emergency use by passengers . The height shall not be less than 1.8 meters .（  √  ）

64、【 Judgment questions 】 For traction driven elevators with machine rooms , Its traction wheel 、 The guide wheel and speed governor are only allowed to be installed in the machine room or between pulleys .（  ×  ）

65、【 Judgment questions 】 Counterweight speed limiter , The action speed shall be higher than the car speed limiter , But not more than 10％.（  √  ）

66、【 Judgment questions 】 Small capacity three-phase asynchronous motor can generally adopt full voltage starting .（  √  ）

67、【 Judgment questions 】 Door opener , Is the busiest institution , Therefore, the faults are also the most .（  √  ）

68、【 Judgment questions 】 The construction of the 、 Safety production mold I plan to pass the exam at one point 、 The full-time safety production management personnel of the unit shall be fully responsible for the safety production work of the unit according to law .（）（  ×  ）

69、【 Judgment questions 】 according to GB16899-2011《 Specification for the manufacture and installation of escalators and escalators 》 Regulations ： Between the two emergency stop switches of the escalator , The distance should not be greater than 30m.（  √  ）

70、【 Judgment questions 】 according to GB7588-2003《 Safety code for elevator manufacturing and installation 》 Regulations ： The electric lock of landing door is an electrical safety device , The electrical contact of door lock shall be safety contact .（  √  ）

71、【 Judgment questions 】 Employees of special operations have had a safety production education and training exam ‘ Safety production mold I plan to take an exam Diantong ‘ Nuclear qualification , You can work for life .（  ×  ）

72、【 Judgment questions 】EDTA The complexation ability to metal ions varies with the acidity ,pH The lower the value , The stronger the complexation ability .（）（  ×  ）

73、【 Judgment questions 】 Repairman , Tell the utility elevator Administrator ： Windowsill type sundry ladder , A special drawer basket shall be equipped to draw in and out of the lift car . It's not safe to reach for it .（  √  ）

74、【 Judgment questions 】 The fire fighting function is on , After the elevator automatically reaches the base station , Only respond to internal commands, not external calls , For firefighters only .（  √  ）

75、【 Judgment questions 】 The unit of temperature rise is “℃”, Is the temperature value measured during operation .（  ×  ）

76、【 Judgment questions 】 Every employee , Be clear about the requirements of your job , Carry out carefully in work .（  √  ）

77、【 Judgment questions 】 A construction enterprise shall provide for the personnel engaged in construction operation and management at the construction site , Provide guarantee for personal accidents and casualties during construction activities , Apply for construction injury insurance , Pay the insurance premium .（  √  ）

78、【 Judgment questions 】 When blowdown to header , The boiler shall be operated under low load .（  √  ）

79、【 Judgment questions 】 Construction site meeting room 、 Entertainment rooms and other densely populated rooms can be set on the second floor of temporary rooms , The evacuation door shall be opened in the direction of evacuation .（  ×  ）

80、【 Judgment questions 】 When potential accidents or other unsafe factors are found , It's none of your business, hang high .（  ×  ）

81、【 Judgment questions 】 Braided and extended steel wire rope shall not be used for hoisting mechanism and auxiliary transformation mechanism .（）（  √  ）

82、【 Judgment questions 】 The bulldozer bulldozer carriage can be adjusted into an inclined shovel , It is mainly used to push the soil to one side .（  √  ）

83、【 Judgment questions 】 Sampling should ensure that the sample is representative .（）（  √  ）

84、【 Judgment questions 】 When the crane wire rope is damaged, the wire rope with the same diameter can be used for replacement .（）（  ×  ）

85、【 Judgment questions 】 Nominal diameter of steel wire rope 20mm, The minimum number of rope clamps is 3 Group .（  ×  ）

86、【 Judgment questions 】 Emergency repair of elevator , As long as the fault is eliminated , The elevator can resume normal operation . It's not important to make emergency repair records .（  ×  ）

87、【 Judgment questions 】 The function of elevator control system , It's about the operation of the elevator “ Safety production simulation test 1 spot through “, Control .（  √  ）

88、【 Judgment questions 】 Tower crane shutdown 7 After a month , After returning to work, the machine manager should check it and use it after it is qualified .（  ×  ）

89、【 Judgment questions 】 The main switch of the elevator , It's the power switch .（  √  ）

90、【 Judgment questions 】 single-phase 220V Electrical equipment powered by power supply , Three pole leakage protection device shall be selected .（  ×  ）

91、【 Judgment questions 】 During elevator maintenance , If temporary short circuit and sealing measures are taken , It shall be removed in time after use , Do not permanently use... On operating equipment .（  √  ）

92、【 Judgment questions 】 Elevator door , It's the active door , The landing door is a driven door .（  √  ）

93、【 Judgment questions 】 The circuit is broken somewhere , The current disappears , The load stops working , This state is called short circuit .（  ×  ）

94、【 Judgment questions 】 Step tread of escalator working section , Allow tilting .（  ×  ）

95、【 Judgment questions 】 In the lab. , The prepared alkali solution should be put in a glass bottle .（）（  ×  ）

96、【 Judgment questions 】 Main switch of escalator or moving sidewalk , Do not cut off sockets or lighting circuits .（  √  ）

97、【 Judgment questions 】 The worm wheel drives the worm , It will be restricted by the anti drive self-locking resistance . So worm gear reducer , It can help the elevator brake when it slides by gravity , Make passengers safer .（  √  ）

98、【 Judgment questions 】 The metal structure of the lift car , It is mainly composed of framework 、 Car bottom 、 Car wall 、 Car roof 、 Door opener 、 Car door composition .（  √  ）

99、【 Judgment questions 】 The iron wire is broken by repeated folding , It's much easier than breaking it directly .（  √  ）

100、【 Judgment questions 】 Maintenance unit of explosion-proof elevator , The maintenance work must be carried out according to the requirements of the manufacturer . Construction can only be carried out within the specified maintenance contents and scope .（  √  ）

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