Frage 1
Frage
The maximum supply voltage shall not exceed ______ between conductors unless otherwise permitted.
Antworten
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300 Volts
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600 Volts
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800 Volts
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1000 Volts
Frage 2
Frage
The first edition of the 17.1 code was published in what year?
Frage 3
Frage
What Section of NFPA 70 pertains to Elevators, Dumbwaiters, Escalators, Moving Walks, Platform Lifts, and Stairway Chairlifts?
Frage 4
Frage
Each 125-volt, single-phase, 15- and 20-ampere receptacle installed in pits, in hoistways, on elevator car tops, and in escalator and moving walk wellways shall be of the _____________________________type.
Frage 5
Frage
Per NFPA 70, Ground means:
Antworten
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Conductors connected to close an open circuit.
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Earth.
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A 5/8's copper rod fully driven in the ground.
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A 4/0 or larger conductor attached from the supply source to a ground rod.
Frage 6
Frage
To whom is the maintenance control program required to be accessible?
Frage 7
Frage
Final Terminal Stopping Devices for Screw-Elevators shall be provided for elevators having a rated speed exceeding:
Antworten
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0.5m/s (100 ft/min)
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150 ft/,min
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0.05m/s (100ft/min)
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0.6m/s (120ft/min)
Frage 8
Frage
Which of the following should you do when operating a mainline power disconnect switch?
Antworten
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Reach across the front of the disconnect while facing away from the disconnect
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Stand in front of the disconnect with you back to the disconnect.
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Stand off to the side of the disconnect
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Ensure that you are standing on a rubber mat
Frage 9
Frage
What article in NEC 2014 covers hazardous (classified ) locations?
Frage 10
Frage
For existing elevator interiors, what is the minimum number of lamps required for car illumination?
Frage 11
Frage
What is required of a maintenance control program?
Frage 12
Frage
The audible and visual equipment such as chimes, gongs, lights and displays that convey information to the user is defined as what?
Antworten
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operating device
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control system
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signal equipment
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controller operation
Frage 13
Frage
When performing maintenance on an escalator, what is required if the escalator comb has two adjacent teeth missing?
Antworten
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The AHJ must be notified
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The emergency stop button should be pushed
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The unit may be operated only in the direction away from the combplate
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The escalator must be removed from service
Frage 14
Frage
Speed governors for passenger car safeties shall be set to trip at a car speed of what?
Antworten
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Not less than 110% of rated speed
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Not less than 112% of rated speed
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Not less than 115% of rated speed
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not less than 125% of rated speed
Frage 15
Frage
When jumpers are used during maintenance, repairs, or testing, all jumpers shall be ______________ and the equipment ______________ prior to returning it to service.
Antworten
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removed / tested
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jumped / shut off
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shorted / fried
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unhooked / looked at
Frage 16
Frage
The lower portion of a platform guard shall be bent back at an angle of not less than __________degrees nor more than _______ degrees from the horizontal.
Antworten
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25 and 50
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45 and 75
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60 and 80
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60 and 75
Frage 17
Frage
Every elevator shall be provided with a _________________ and a _________________ permanently and securely attached.
Antworten
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capacity plate / data plate
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capacity plate / dinner plate
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lounge chair / ash tray
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capacity sticker / data sticker
Frage 18
Frage
Hand elevator suspension means shall consist of not less than ______ wire ropes or chains.
Frage 19
Frage
____________ shall be provided in the entrance assembly to prevent hangers from overrunning the end of the track.
Antworten
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Free Coffee
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pins
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buffers
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stops
Frage 20
Frage
What type of floor shall be provided at the top of the hoistway where a machine room or control room is located above the hoistway.
Antworten
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Metal or Concrete
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Wood or drywall
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fireproof
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flameproof