QUESTIONS WITH ANSWERS LATEST
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A contractor is preparing to pour your machine room
floor. As an elevator constructor, your responsibility in
this process involves which of the following? - correct
answer- Supervise layout and install blockouts
After installing and leveling a geared traction machine,
you must drop plumb lines from the front and back of the
drive sheave center point. What must the plumb lines be
aligned with? - correct answer- Centerline of
the car and counterweight DBG
During a governor rope installation, you must attach the
rope that runs from the governor tension sheave to the
safety actuating device. Where on the safety actuating
device should this rope be attached? - correct
answer- To the bottom
,During a rope inspection, you notice 3 broken crown wires
and 2 broken wires in the valley between two rope lays.
What action should you take? - correct answer-
Replace all of the ropes
During a routine visit, rouging is apparent on the governor
rope. What must be done until this rope is replaced? -
correct answer- Increase inspection frequency
During a service call, you find that safeties are actuating
without overspeed conditions. Which device could cause
this situation? - correct answer- Releasing
carrier
During your inspection of wire hoist ropes, you are told to
count the number of breaks in the crown wires in one
rope lay.
What is considered one section of rope lay? - correct
answer- 6⅖ times the rope diameter
, How are the ends of the rails made so they may be joined
together? - correct answer- The ends have a
tongue and groove
How much higher must the counterweight governor
tripping speed be set above the car governor? -
correct answer- No higher then 10%
If a double groove worm on a geared machine has a
reduction ratio of 50:1, what are the drive sheave RPMs
with the motor turning at 400 rpm? - correct
answer- 8
If a gearless machine's drive sheave has a circumference
of six feet, approximately how many RPMs would be
required of the drive motor to run the car at 800 ft./min?
- correct answer- 133
If the compensating sheave diameter is smaller than the
distance between the car and counterweight
compensating rope hitches, the plumb lead of the
compensating rope from the compensating sheave should