ELEVATOR MECHANIC EXAM 2024/2025 WITH GUARANTEED ACCURATE ANSWERS |VERIFIED
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Course
ELEVATOR MECHANIC
Institution
ELEVATOR MECHANIC
ELEVATOR MECHANIC EXAM 2024/2025
ELEVATOR MECHANIC EXAM 2024/2025 WITH GUARANTEED ACCURATE ANSWERS |VERIFIED
A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a 12" sheave. What sheave is required? - ACCURATE ANSWERDiam=12" 12/4=3" 25fpm=3" 100fpm + 25fpm= 12"...
ELEVATOR MECHANIC EXAM 2024/2025
ELEVATOR MECHANIC EXAM 2024/2025 WITH GUARANTEED ACCURATE
ANSWERS |VERIFIED
A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a
12" sheave. What sheave is required? - ACCURATE ANSWER✅✅Diam=12"
12/4=3" 25fpm=3" 100fpm + 25fpm= 12"+3"= 15" sheave
A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage
or resistance. What should you do? - ACCURATE ANSWER✅✅Replace it with
a larger MOV
On a Ward-Leonard circuit the break is set, but the motor is trying to slip through
the break. What is the issue? - ACCURATE ANSWER✅✅Suicide Circuit
You have an old DC motor and are adding an SCR drive, what do you do to the
interpoles? - ACCURATE ANSWER✅✅Leave the interpoles alone. When
adding a SCR drive to the generator, the series loop is removed, as are the 3
resistors. Everything else remains the same
,A hydro runs up with no load, but will not run with a full load. What is the issue? -
ACCURATE ANSWER✅✅The relief valve is set too low
Runby for a 1:1 hits the CWT buffer 4" below the top landing. CWT runby should
be set at 18". How much should the ropes be shortened? - ACCURATE
ANSWER✅✅22"
You need to work on a freight door retiring cam, you LOTO the main line but there
is still power on the cam. What circuit is still hot? - ACCURATE
ANSWER✅✅Door Operator Disconnect/ Main Line Disconnect
The contractor requests that the vertical center of a Rack and Pinion hoist be
moved. How do you do this? - ACCURATE ANSWER✅✅Adjust Tie Downs
and Wall Ties
Working pressure on a Hydro is 400psi. What is the maximum relief valve setting?
- ACCURATE ANSWER✅✅400psi x 150%= 600psi
What must be installed on a false car before operation? - ACCURATE
ANSWER✅✅Spring Loaded Safeties.
There is slight arcing between the brush and commutator. What action must be
taken? - ACCURATE ANSWER✅✅None.
Heavy arcing=Light brush pressure. Heavy bush pressure=mechanical wear
If rigging gear is roped 3:1 and a BEAM CLAMP is used to lift a 6,000lb load.
What is the beam capacity? - ACCURATE ANSWER✅✅18,000lbs. Beam
, capacity is cut in half with use of clamp, when rigging all blocks, rope, and clamps
will be Equal to the lowest load rating
How much resistance is measured over a normally closed switch? - ACCURATE
ANSWER✅✅1.2ohms. should be zero, but will never be that low
A car traveling in the hoistway always stops at the same spot and blows a fuse.
What causes this? - ACCURATE ANSWER✅✅Traveling cable has a
cut/exposed wire or a short
How is a class 1 yearly buffer test preformed? - ACCURATE ANSWER✅✅Car
at bottom landing and on inspection, jump out direction and final limits. With pit
clear, run down to compress buffers, buffers should fully extend within 90 seconds.
5yr: Full load Full speed
CWT: Full speed Empty
How many strain supports are required on a 350ft raceway? - ACCURATE
ANSWER✅✅4. 1 every 100ft
How is stainless steel drilled out? - ACCURATE ANSWER✅✅Slow speed and
constant pressure
What is the required amount of retainer clips for wedge shackles and what is the
spacing? - ACCURATE ANSWER✅✅Minimum 2 clips. 1st at a maximum 4x
the diameter of the rope
2nd at a maximum 8x the diameter above the 1st clip
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