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Du hast 1 Stunde 30 Minuten um die 20 Fragen in diesem Quiz zu beantworten.
The maximum supply voltage shall not exceed ______ between conductors unless otherwise permitted.
300 Volts
600 Volts
800 Volts
1000 Volts
The first edition of the 17.1 code was published in what year?
1919
1920
1921
1922
What Section of NFPA 70 pertains to Elevators, Dumbwaiters, Escalators, Moving Walks, Platform Lifts, and Stairway Chairlifts?
400
525
625
620
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.
ground-fault circuit-interrupter
socket
plastic
momentary on/off
Per NFPA 70, Ground means:
Conductors connected to close an open circuit.
Earth.
A 5/8's copper rod fully driven in the ground.
A 4/0 or larger conductor attached from the supply source to a ground rod.
To whom is the maintenance control program required to be accessible?
Contractors' Maintenance personnel
Elevator personnel
Building Supervisor
QEI certifying organization
Final Terminal Stopping Devices for Screw-Elevators shall be provided for elevators having a rated speed exceeding:
0.5m/s (100 ft/min)
150 ft/,min
0.05m/s (100ft/min)
0.6m/s (120ft/min)
Which of the following should you do when operating a mainline power disconnect switch?
Reach across the front of the disconnect while facing away from the disconnect
Stand in front of the disconnect with you back to the disconnect.
Stand off to the side of the disconnect
Ensure that you are standing on a rubber mat
What article in NEC 2014 covers hazardous (classified ) locations?
100
490
500
600
For existing elevator interiors, what is the minimum number of lamps required for car illumination?
1
2
3
4
What is required of a maintenance control program?
It must be written
It must be approved by the building owner
It must be electronic
It Must be endorsed by the equipment manufacturer
The audible and visual equipment such as chimes, gongs, lights and displays that convey information to the user is defined as what?
operating device
control system
signal equipment
controller operation
When performing maintenance on an escalator, what is required if the escalator comb has two adjacent teeth missing?
The AHJ must be notified
The emergency stop button should be pushed
The unit may be operated only in the direction away from the combplate
The escalator must be removed from service
Speed governors for passenger car safeties shall be set to trip at a car speed of what?
Not less than 110% of rated speed
Not less than 112% of rated speed
Not less than 115% of rated speed
not less than 125% of rated speed
When jumpers are used during maintenance, repairs, or testing, all jumpers shall be ______________ and the equipment ______________ prior to returning it to service.
removed / tested
jumped / shut off
shorted / fried
unhooked / looked at
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.
25 and 50
45 and 75
60 and 80
60 and 75
Every elevator shall be provided with a _________________ and a _________________ permanently and securely attached.
capacity plate / data plate
capacity plate / dinner plate
lounge chair / ash tray
capacity sticker / data sticker
Hand elevator suspension means shall consist of not less than ______ wire ropes or chains.
____________ shall be provided in the entrance assembly to prevent hangers from overrunning the end of the track.
Free Coffee
pins
buffers
stops
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.
Metal or Concrete
Wood or drywall
fireproof
flameproof