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ELEVATOR MECHANIC EXAM REVIEW EXAM (ACTUAL EXAM) WITH QUESTIONS WITH VERY ELABORATED ANSWERS CORRECTRY WELL ORGANIZED LATEST 2024 – 2025 ALREADY GRADED A+ $13.99
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ELEVATOR MECHANIC EXAM REVIEW EXAM (ACTUAL EXAM) WITH QUESTIONS WITH VERY ELABORATED ANSWERS CORRECTRY WELL ORGANIZED LATEST 2024 – 2025 ALREADY GRADED A+
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Course
Elevator mechanic
Institution
Elevator Mechanic
ELEVATOR MECHANIC EXAM REVIEW EXAM (ACTUAL EXAM) WITH QUESTIONS WITH VERY ELABORATED ANSWERS CORRECTRY WELL ORGANIZED LATEST 2024 – 2025 ALREADY GRADED A+
ELEVATOR MECHANIC EXAM REVIEW
EXAM (ACTUAL EXAM) WITH QUESTIONS
WITH VERY ELABORATED ANSWERS
CORRECTRY WELL ORGANIZED LATEST
2024 – 2025 ALREADY GRADED A+
You are about to start installing your duct run in the hoist way. What is the best
method to give you the straightest line? - ANSWERS-Using a plumb bob, snap the
line, and measure off of the rail
When installing multiple Traveling cables, where is the 1st cable located? -
ANSWERS-1 st is closest to the rail.
2 controllers in a small machine room face each other, what is the minimum
clearance between them? - ANSWERS-36 inches
,When installing travelers, what is the minimum length of vertical suspension at
both ends before the loop starts? - ANSWERS-4 feet
You attempt to adjust a new VV-VF door operator, but it operates in the wrong
direction. How do you change the direction? - ANSWERS-Change the phase
sequence
You receive a call that a center opening car is running with one door partially
open, how is this possible? - ANSWERS-The gate switch is activated by the door
drive, but the relating device has failed
In order to properly bond an isolation platform, where should you connect your
bonding straps? - ANSWERS-From the platform to the car sling
As a mechanic you are sent to install an escalator, what point of reference would
you use to square the unit? - ANSWERS-Column LINE
Escalator demarcation lights are required by code for what reason? - ANSWERS-
To provide passengers with a visual indication when entering and exiting the unit.
While adjusting a passenger elevator door operator with a PERMANENT
MAGNENT DC motor. Which operation would you perform to control the motor? -
ANSWERS-Speed and Torque control is accomplished by varying armature current
and voltage only
,SHUNT MOTORS: shunt voltage increases, torque increases, speed decrease.
Shunt voltage decreased, torque decrease, speed increase Armature voltage
increase, rotation speed increase affecting door speed and torque.
You have an old DC motor and are adding an SCR drive, what do you do to the
interpoles? - ANSWERS-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? -
ANSWERS-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? - ANSWERS-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? - ANSWERS-Door Operator
Disconnect/ Main Line Disconnect
A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has
a 12" sheave. What sheave is required? - ANSWERS-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? - ANSWERS-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? - ANSWERS-Suicide Circuit
The contractor requests that the vertical center of a Rack and Pinion hoist be
moved. How do you do this? - ANSWERS-Adjust Tie Downs and Wall Ties
Working pressure on a Hydro is 400psi. What is the maximum relief valve setting?
- ANSWERS-400psi x 150%= 600psi
What must be installed on a false car before operation? - ANSWERS-Spring
Loaded Safeties.
There is slight arcing between the brush and commutator. What action must be
taken? - ANSWERS-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? - ANSWERS-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? - ANSWERS-
1.2ohms. should be zero, but will never be that low
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