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The 2024 T Elevator Repair Certificate Mock Exam Question Bank and T Elevator Repair Theory Exam Questions are provided by the Safety Production Mock Exam, and the T Elevator Repair Certificate Mock Exam Question Bank is based on the latest version of the T Elevator Repair Textbook and the T Elevator Repair Repair Syllabus (including the 2024 T Elevator Repair Certificate Mock Exam Question Bank and the T Elevator Repair Theory Exam Question Reference Answers and Part of the Work Reference Analysis), master this information and school methods, and the exam is easy. T elevator repair exam skills after the question bank teacher and T elevator repair has been tested by the summary of the students, the relatively effective and feasible way to review is to overcome the test questions of T elevator repair, and conduct multi-faceted test training. The 2024T Elevator Repair Certificate Mock Exam Question Bank and the T Elevator Repair Theory Exam Question Questions, and the training school conducts effective training before the exam to ensure that the students can successfully pass the exam after learning.
1. [Multiple choice questions] TSGT7001-2009 "Inspection Regulations (Abbreviation) - Traction and Forced Drive Elevator" stipulates that the () conditions of the inspection site shall comply with the provisions of the elevator design documents. （ ABCD ）
A. Temperature
B, Humidity
C. Voltage
D. Ambient air
2. [Multiple choice questions] Emergency relief work in the state of power failure, including (). （ ABCD ）
A. Turn off the power supply
B. Contact with the car
C. Prevent the door from being picked
D. Initiate emergency procedures for resolving difficulties
3. [Multiple choice questions] In elevator operations, the electrical safety signs that are often seen are (). （ ABCD ）
A. Prohibition
B. Beware of electric shock
C. Do not approach
D. There is a danger of electricity
4. [Multiple choice questions] In the pit, the switches that can be used as emergency stops are: emergency stop switches and () buffer switches. （ ABCD ）
A. Limit switch
B. Limit switch
C. Loosen the rope switch
D. Compensation wheel anti-trip switch
5. [Multiple choice questions] The main functions of the circuit breaker are (). （ ABCD ）
A. Turn on the circuit
B. Disconnect the circuit
C. Short-circuit protection
D. Overload protection
6. [Multiple choice question] After the fire switch is pressed, there are two operating states in the state. （ AB ）
A. Automatically return to the base station first
B. Then give it to firefighters
C. Return to the base station under the control of the driver first
D. Then it is used exclusively by the driver
7. [Multiple choice question] The electrical control cabinet is the core equipment that controls the operation of the elevator. The main content of usual maintenance is (). （ ABCD ）
A. Ash removal of electrical components
B. Component and terminal mark inspection
C. Switch, button, contactor inspection
D. Fuse inspection
8. [Multiple choice questions] Electrical faults are often manifested as (). （ ABC ）
A. Low voltage
B. The wire is broken
C. Grounding is broken
D. High frequency
9. [Multiple choice question] The pedals () of the moving walkway are all shared wheels of the front and rear pedals. （ CD ）
A. There is a main wheel
B. There is a sub-wheel
C. There is no main wheel
D. There is no auxiliary wheel
10. [Multiple choice questions] The lifting height of the escalator is generally divided into (). （ ABC ）
A. Large height
B. Medium height
C. Small height
D. No height
11. [Multiple choice question] The "Safety Code for the Manufacturing and Installation of Sundries Elevators" (GB25194-2010) describes the requirements of the relevant safety measures for the debris elevator shafts that allow personnel to enter.
A. The car should be equipped with a device that can prevent the car from moving near any floor station.
B, the car roof, in any position, should be able to support the weight of two people, each person according to 0.20m×0.20m area on the force of 1000N, should be no permanent deformation.
C) For the sundries elevator shaft that can be accessed by personnel, the following instructions should be set: "Be sure to start the mechanical and electrical stop device before entering the car roof".
D. All options
12. [Multiple choice question] The "Assessment Rules for Special Equipment Operators" (TSGZ6001-2019) stipulates that, unless otherwise specified in the safety technical specifications, special equipment operators shall reapply for the examination if they interrupt their licensed operations during the certification period for more than (). （ C ）
A. 3 months
B. Half a year
C. 1 year
D. 2 years
13. [Multiple Choice] The "Special Equipment Safety Law" stipulates that the production and use units of special equipment shall establish and improve the responsibility system for special equipment. （ B ）
A. Shift handover
B. Safe and energy-saving
C. Maintenance
D. Building management
14. [Multiple choice question] The "Regulations on the Safety Supervision of Special Equipment" stipulates that the special equipment safety supervision department shall establish a special equipment safety supervision and reporting system, and in order to facilitate reporting, it shall be announced except for (). （ D ）
A. Report telephone
B. E-mail address
C. E-mail
D. Whistleblower information
15. [Multiple choice question] The distance between the two "emergency stop" buttons of an escalator should be (). （ A ）
A. Not more than 30m
B. Not more than 40m
C, equal to 50m
D, equal to 60m
16. [Multiple choice question] In order to reduce the tension difference between the two sides of the traction wheel caused by the change of the length of the wire rope and the accompanying cable during the operation of the elevator, () can be adopted to improve the traction quality. （ B ）
A. Counterweight device
B. Compensation device
C. Tensioning device
D, Towing device
17. [Multiple Choice] Several resistors of unequal value are connected in parallel, and the correlation between the voltages on each resistor is (). （ C ）
A. The voltage with a large resistance value is large
B. The voltage with a small resistance value is large
C. Equal
D. It is uncertain
18. [Multiple choice question] The hanging rope under the hook is bifurcated and tied to a 1-ton weight, the smaller the bifurcation angle between the forks, the smaller the hanging cable load. （ A ）
A. Correct
B. Error
19. [Multiple choice question] Before doing lifting and hoisting work, the lifting tools and equipment must be carefully checked, and the specific inspection content includes (). （ D ）
A. The bearing capacity of the manual hoist and rope
B. Whether there are cracks in the chain body and hook
C. Whether the hand-pulled small chain will run or drop the chain
D. All options
20. [Multiple choice question] If the rated speed of an elevator is 0.25m/s, please choose the way to control the car safety gear according to the provisions of the "Safety Code for Elevator Manufacturing and Installation" (GB7588-2003). （ B ）
A. Safety rope
B. Speed limiter
C. Suspension system breakage
D. Electrically operated device
21. [Multiple choice question] When the car of the traction-driven elevator is not in the unlocking area of a certain landing station, the elevator () makes the floor door automatically closed. （ D ）
A. Automatic door opener
B. Door slider
C. Door hanging wheel
D. Self-closing device
22. [Multiple Choice] When the circuit power of a certain part is greater than zero, it means that the circuit element is (). （ B ）
A. Power supply
B. Load
C. Switch
D. All options
23. [Multiple Choice] Static electricity is a very common electrical phenomenon, and ( ) is its biggest harm. （ C ）
A. Discharge to the human body and directly put the person to death
B. High voltage breakdown insulation
C. It is easy to cause fire
24. [Multiple choice question] The elevator cannot run, cannot open and close the door, cannot select the floor, cannot summon, only the floor display. It could be (). （ D ）
A. Summoning failure
B. Failure of layer selection in the car
C. Door lock circuit failure
D. Phase sequence relay failure
25. [Multiple choice question] In flammable and explosive dangerous places, the power supply line should be supplied by ( ). （ B ）
A. Single-phase three-wire system, three-phase four-wire system
B. Single-phase three-wire system, three-phase five-wire system
C. Single-phase two-wire system, three-phase five-wire system
26. [Multiple Choice] When the elevator traction machine is driven by a turbine worm reducer, the worm lubrication condition of the top-mounted turbine worm reducer is higher than that of the bottom-mounted turbine worm reducer (). （ B ）
A. Okay
B、差
C. Same
D. It is uncertain
27. [Multiple choice question] When the terminal of the elevator forces the speed change switch, the elevator () circuit will be cut off. （ B ）
A. Overhaul and operation
B. Fast operation
C. Terminal limit
D. Terminal limit
28. [Multiple choice question] The elevator can run up and down and automatically open and close the door, but it cannot be registered by pressing the three-layer call-up button. It could be (). （ C ）
A. The first floor of the upper button is faulty
B. The second-layer upward button is faulty
C. The three-layer upward button is faulty
D. The three-layer downward button is malfunctioning
29. [Multiple choice] The resistors R1, R2, and R3 are connected to the power supply in series, if the voltage relationship on the resistor is U1>U3>U2, then the relationship between the three resistance values is (). （ B ）
A、R1<R2<R3
B、R1>R3>R2
C、R1<R3<R2
D、R1>R2>R3
30. [Multiple choice question] The most basic manufacturing unit of the constituent machinery is called (). （ B ）
A. Institutions
B. Parts
C. Machine
D. Components
31. [Multiple choice question] When the maintenance personnel are in the pit, the () switch should be disconnected. （ C ）
A. Safety gear
B. Speed limiter
C. The pit stops
D. The car roof stops
32. [Multiple Choice] The quantity that characterizes the amplitude of the sinusoidal alternating current oscillation is its (). （ A ）
A. Maximum
B. Valid values
C. Instantaneous value
D. Frequency
33. [Multiple Choice] Describe the "Safety Code for Elevator Manufacturing and Installation" (GB7588-2003) For control circuits and safety circuits, the average value of DC voltage and AC voltage between conductors or between conductors and ground should not be greater than ()V. （ C ）
A、36
B、110
C、250
D、380
34. [Multiple Choice] When the overload protection device is pressed, the elevator door (), the elevator does not move, and an audible and visual alarm signal is issued. （ C ）
A. No, it is not opened
B. Open half
C. Do not close
D. Close half
35. [Multiple choice question] In the case of no car or uniform distribution of load, after the safety gear stops, the inclination of the car floor should not be greater than ()%. （ B ）
A、1
B、5
C、10
D、15
36. [Multiple choice question] The collective spare labor protection equipment should be (). （ B ）
A. Everyone's in charge
B. Dedicated person to manage
C. Personal tube
D. Squad leader
37. [True or False] For a 1:1 rope-wound elevator, the car speed is equal to the wire rope speed. （ √ ）
38. [True or False] The elevator with a 2:1 rope wrap contains two meanings. One is "two ropes carry a load together", and the other is "pull two and walk one" (equivalent to: the traction rope pulls 2 meters, and the car only walks 1 meter). （ √ ）
39. [True or False] TSGT7001-2009 "Inspection Regulations (Abbreviation) - Traction and Forced Drive Elevator" stipulates that for elevators that do not have on-site inspection conditions, or if continued inspection may cause danger, the inspector can suspend the inspection, but must explain the reasons in writing to the inspected unit. （ √ ）
40. [True or False] TSGT7005-2012 "Inspection Regulations (Abbreviation) - Escalators and Moving Walks" stipulates that if the obstacles of the building will cause personal injury, corresponding preventive measures should be taken. （ √ ）
41. [True or False] TSGT7005-2012 "Inspection Regulations (Abbreviation) - Escalators and Moving Walks" stipulates that during on-site inspection, inspectors shall comply with the safety management regulations expressly indicated by the construction site or the user unit. （ √ ）
42. [True or False] T-shaped guide rail, the internode connection can not be misplaced. If the dislocated shoulder is found, it should be smoothed so that the guide shoe can pass smoothly. （ √ ）
43. [True or False] The "Special Equipment Safety Law of the People's Republic of China" stipulates that the special emergency plan for special equipment accidents shall be formulated by the local people's governments at all levels, and the user unit only needs to conduct emergency drills on a regular basis. （ × ）
44. [True or False] The "Special Equipment Safety Law" stipulates that the special emergency plan for special equipment accidents shall be formulated by the local government, implemented by the user, and shall be regularly drilled in accordance with the requirements. （ × ）
45. [True or False] The "Special Equipment Safety Law" stipulates that special equipment, including its attached safety accessories and safety protection devices. （ √ ）
46. [True or False] The Regulations on the Safety Supervision of Special Equipment (revised in 2009) stipulates that if a special equipment accident causes less than 3 deaths or less than 10 serious injuries, it is a general accident. （ √ ）
47. [True or False] The multimeter cannot be arbitrarily shifted during measurement. Especially when measuring high voltage (such as 220V) or high current (such as 0.5A), it will avoid arcing and burning out the transfer switch contacts. （ √ ）
48. [True or False] Shopping carts and luggage carts are not allowed on escalators, but compliant shopping carts and luggage carts are allowed on moving walkways. （ √ ）
49. [True or False] The technical work that the repairman needs to do: it is to check the fault, find the cause, repair the damaged parts, eliminate the root cause of the fault, and put it into operation after normal commissioning. （ √ ）
50. [True or False] Before measuring the megohmmeter, the power supply of the equipment under test must be cut off and discharged to the ground. It is not allowed to "make a one-point pass in the safety production mock test" in the state of the equipment under test. to ensure the safety of personal equipment. （ √ ）
51. [True or False] The purpose of formulating the "Special Equipment Safety Law" is to strengthen the safe work of special equipment, prevent special equipment accidents, ensure personal and property safety, and promote economic and social development. （ √ ）
52. [True or False] Adding additives to the "base oil" can make up for the lack of performance of the base oil, thereby improving its performance, and is an important part of lubricating oil. （ √ ）
53. [True or False] On a pair of gears that mesh with each other, the tangent line of the base circle of the two gears is the gear. （ √ ）
54. [True or False] Under the protection of the security system, the elevator cannot be started if the safety window on the roof of the car is open or not locked. （ √ ）
55. [True or False] In the machine room, to determine whether the car is in the unlocking area, it can be judged by the dynamic logo painted on the traction rope and whether it is flush with the static logo of the traction machine. （ √ ）
56. [True or False] Under the condition that the shaft load remains unchanged, the speed of the motor will increase with the decrease of the series resistance of the rotor, otherwise, the speed will decrease. （ √ ）
57. [True or False] When unloading with a crane near the high-voltage line, the crane mast should be far away from the high-voltage line. （ × ）
58. [True or False] When installing the elevator guide rail support, if the expansion bolt is used to fix the support on the elevator shaft wall, the expansion bolt must be fixed on the concrete component of the shaft wall. （ √ ）
59. [True or False] When installing the elevator guide rail, the guide rail can be fixed on the guide rail bracket by welding. （ × ）
60. [True or False] For the sundries elevator, the rated load capacity of the sundries elevator and the words "forbidden to enter the car" or the corresponding symbol must be marked on each floor door or its vicinity. （ √ ）
61. [True or False] The weight should be reliably fastened. The bearing of the counterweight counter rope wheel should be well lubricated and equipped with an anti-hopping rope blocking device. （ √ ）
62. [True or False] Small-capacity three-phase asynchronous motors can generally be started at full voltage. （ √ ）
63. [True or False] When the step collapses, the step collapses and the parking protection device can stop the escalator or moving walk. （ √ ）
64. [True or False] When the elevator is out of order, but the passenger asks to take it, the passenger must be stopped. （ √ ）
65. [True or False] Many freight elevators do not have car weighing and load limiting devices. The user should be prompted to prevent the elevator from overloading. （ √ ）
66. [True or False] The finished T-shaped guide rail, the internode connection is a concave-convex tenon structure, and it cannot be welded. （ √ ）
67. [True or False] All wire conduits and trunking should be made to cross the grounding wire to make it a channel for the protection line. （ √ ）
68. [True or False] The so-called electric shock is the accidental contact of the human body with a live body such as electrical equipment, a live part of the line or a live metal shell, and an electric current passes through the human body. （ √ ）
69. [True or False] Escalator or moving pavement entrances and exits, comb. The safety production mock exam is easy to understand. The light level should be at least 50Lx on the ground at the tooth plate and at least 15Lx outdoors. （ √ ）
70. [True or False] Truthfully informing employees of the dangers of homework will have a negative impact, cause panic, increase the burden of thinking, and be detrimental to safe production. （ × ）
71. [True or False] Protection devices such as wrong phase, undervoltage, overcurrent, and overspeed should be inspected and adjusted according to the requirements of the random documents of the product. （ √ ）
72. [True or False] The lifting height of the traction elevator refers to the vertical distance from the bottom of the pit to the roof of the most machine room. （ × ）
73. [True or False] If the fiber core of the traction wire rope is damaged or the steel core is broken, and the rope diameter is significantly reduced, the use of the wire rope will not be affected, and the wire rope does not need to be replaced. （ × ）
74. [True or False] Belt brakes are not allowed in traction-driven elevators. （ √ ）
75. [True or False] The shaft lighting switch of the elevator in the machine room should be installed in the machine room and not in the pit. （ × ）
76. [True or False] The step collapse protection device is to ensure that the escalator is kept running when the step collapses. （ × ）
77. [True or False] The guide rail of the ladder system should be smooth, flat, wear-resistant, and have a certain dimensional accuracy to ensure the comfort of operation. （ √ ）
78. [True or False] The maintenance personnel can switch the elevator between automatic and maintenance files by rotating the car roof maintenance switch. （ √ ）
79. [True or False] The maintenance door is a "one-point pass for the safety production mock test" for maintenance personnel to enter and exit the shaft. The height is not less than 1.4 meters. （ √ ）
80. [True or False] When measuring voltage, the multimeter should be connected in parallel at both ends of the circuit under test. （ √ ）
81. [True or False] The measurement of the stopping distance between the escalator and the moving walk should start from the time the mechanical braking device acts. （ × ）
82、【判断题】润滑油标号数值越小，粘度越大。 （ × ）
83. [True or False] There are two rulers on the vernier caliper. One is the main ruler and the other is the secondary ruler (√)
84. [True or False] The elevator safety window needs to be locked or opened with a key in the car. （ √ ）
85. [True or False] The elevator traction machine reducer, choose the "all-weather oil" that can be used in winter and summer, which can reduce the frequency of seasonal oil changes. （ √ ）
86. [True or False] The connection of circuits includes series, parallel and mixed. （ √ ）
87. [True or False] After the maintenance unit maintains the elevator, it shall keep a maintenance record. （ √ ）
88. [True or False] There are many varieties of couplings, but elevators mostly use "elastic column pin couplings" (√)
89. [True or False] The load of the working tread of the scaffold should be greater than 250 kg/square meter. （ √ ）
90. [True or False] Before the power on test run, the escalator should be cleaned up, the lubrication parts should be refueled, and the ladder should be cleaned up, and there should be a special person responsible for the electrical switch, and the plug should be turned off or unplugged immediately after stopping the operation, and the gate should be closed and listed in the construction to prevent the operation from hurting people. （ √ ）
91. [True or False] The "additional brake" of the escalator has the protective effect of stopping the reversal without manipulation. （ √ ）
92. [True or False] The electrical lighting of the separating machine room of the escalator should be permanent and fixed, but movable electrical lighting devices should be provided in the drive station, steering station and machine room in the truss. （ √ ）
93. [True or False] The escalator is mainly composed of a truss, a double-loop rail, a drive system, a ladder system, a wall and handrail, and a security system. （ √ ）
94. [True or False] The surface of the measured object should be clean, reduce the contact resistance, and ensure the correctness of the measurement results of the megohmmeter. （ √ ）
95. [True or False] The test pen can be used to check whether there is electricity in high-voltage electrical equipment or lines. （ × ）
96. [True or False] When purchasing a tachometer, it is safer to choose a non-contact one. （ √ ）
97. [True or False] The emergency lighting in the car is not necessarily used all year round, and the charging device is easy to be neglected. Once the official power supply is cut off, the emergency light cannot be automatically lit because it cannot be charged. （ √ ）
98. [True or False] Once the car lighting power supply fails, the emergency light in the car should be automatically lit (√)
99. [True or False] The maintenance trapdoor leading to the hoistway is opened towards the outside of the hoistway. The maintenance personnel are outside the hoistway and can open the door. （ √ ）
100. [True or False] If it is not an emergency, it is forbidden to press the emergency stop button. （ √ ）
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