Questions with Verified Answers |2026/2027 Update |
A+ Graded
What is the clearance between car sill and hoistway facia or enclosure for other doors besides
vertical doors? - Answer -5"
When shall steam and hot water pipes be installed and hoistways and machine rooms? - Answer
-For the purpose of heating these areas only.
Heating pipe shall convert only low pressure steam of ___PSI or be ___degrees Fahrenheit or
less. - Answer -15 PSI, 212 degrees Fahrenheit
When sprinklers are installed in the hoist way, all electrical equipment, except earthquake
protective devices, located 48" above the pit floor shall be ___. - Answer -waterproof
Which device prevents the elevator from overspeeding? - Answer -Governor
Hoist cables are usually made of what? - Answer -Steel cables
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, The structure that surrounds the elevator is known as what? - Answer -Hoistway
A safety device can quickly stop an elevator when? - Answer -When it moves in the down
direction fast.
With a hydraulic elevator, when the oil tank of the pump unit is low on oil... - Answer -the
elevator may have difficulties getting to the top floor.
Traction elevators usually come with at least how many hoist cables? - Answer -At least 4
Hydraulic elevators are either... - Answer -direct acting as or holeless.
What is the maximum size of piping in hoistway and machine room? - Answer -4"
What is the purpose of brushes on a DC motor? - Answer -To reverse current flow direction.
On a 3 phase motor, how many degrees are poles set apart? - Answer -120 degrees
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