Elevator Mechanic Exam Review with Compete Solutions
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Course
Elevator Mechanic
Institution
Elevator Mechanic
Elevator Mechanic Exam Review with Compete Solutions
1. A contractor wants to raise the car
speed from 100fpm to 125fpm, it
currently has a 12" sheave. What
sheave is required?
2. A MOV (Metal Oxide Varistor) burns
out. You replace it, but cannot read
voltage or resistance. What should
you ...
Elevator Mechanic Exam Review with Compete Solutions
1. A contractor wants to raise the car Diam=12" 12/4=3" 25fpm=3" 100fpm
speed from 100fpm to 125fpm, it + 25fpm= 12"+3"= 15" sheave
currently has a 12" sheave. What
sheave is required?
2. A MOV (Metal Oxide Varistor) burns Replace it with a larger MOV
out. You replace it, but cannot read
voltage or resistance. What should
you do?
3. On a Ward-Leonard circuit the break Suicide Circuit
is set, but the motor is trying to slip
through the break. What is the is-
sue?
4. You have an old DC motor and are Leave the interpoles alone. When
adding an SCR drive, what do you adding a SCR drive to the generator,
do to the interpoles? the series loop is removed, as are the
3 resistors. Everything else remains
the same
5. A hydro runs up with no load, but The relief valve is set too low
will not run with a full load. What is
the issue?
6. Runby for a 1:1 hits the CWT buffer 22"
4" below the top landing. CWT run-
by should be set at 18". How much
should the ropes be shortened?
7. You need to work on a freight door Door Operator Disconnect/ Main Line
retiring cam, you LOTO the main line Disconnect
but there is still power on the cam.
What circuit is still hot?
8. The contractor requests that the Adjust Tie Downs and Wall Ties
vertical center of a Rack and Pin-
ion hoist be moved. How do you do
this?
, Elevator Mechanic Exam Review with Compete Solutions
9. Working pressure on a Hydro is 400psi x 150%= 600psi
400psi. What is the maximum relief
valve setting?
10. What must be installed on a false Spring Loaded Safeties.
car before operation?
11. There is slight arcing between the None.
brush and commutator. What action Heavy arcing=Light brush pressure.
must be taken? Heavy bush pressure=mechanical
wear
12. If rigging gear is roped 3:1 and 18,000lbs. Beam capacity is cut in
a BEAM CLAMP is used to lift a half with use of clamp, when rigging
6,000lb load. What is the beam ca- all blocks, rope, and clamps will be
pacity? Equal to the lowest load rating
13. How much resistance is measured 1.2ohms. should be zero, but will nev-
over a normally closed switch? er be that low
14. A car traveling in the hoistway al- Traveling cable has a cut/exposed
ways stops at the same spot and wire or a short
blows a fuse. What causes this?
15. How is a class 1 yearly buffer test Car at bottom landing and on inspec-
preformed? tion, jump out direction and final lim-
its. With pit clear, run down to com-
press buffers, buffers should fully ex-
tend within 90 seconds.
5yr: Full load Full speed
CWT: Full speed Empty
16. How many strain supports are re- 4. 1 every 100ft
quired on a 350ft raceway?
17. How is stainless steel drilled out? Slow speed and constant pressure
18. What is the required amount of re- Minimum 2 clips. 1st at a maximum
tainer clips for wedge shackles and 4x the diameter of the rope
what is the spacing?
, Elevator Mechanic Exam Review with Compete Solutions
2nd at a maximum 8x the diameter
above the 1st clip
19. A 300ohm resistor burns out, but 2 600ohm resistors in parallel is
you don't have another one. How 300ohms. Resistance is half of high-
can you make one? est resistor in parallel circuit.
3 225ohm resistors in parallel is
75ohms.
20. When cutting laminated panels, Finish side facing the cutting edge of
which direction should the finish the tool. Blade will burr the backside
side face?
21. How do you cut a finished floor? Cutting blade away from finished side
22. A 480vac stepdown 240vac trans- 320vac
former is connected to a 3 phase 3 phase full wave = 1.33x output volt-
rectifier, what is the output voltage? age
23. A car is loaded with 125% and sinks, Slipping through the break
why?
24. If you find a broken or missing bar- Write up a formal inspection request
ricade what should you do?
25. What are the consequences of mis- Broken Gear teeth. CWT derailment.
aligned joints on a Rack and Pin- Excessive wear/ crease the surface
ion? of the tube
26. A dumbwaiter is 9sqft in area, 4ft 9 x 4 x 13.9= 500lbs Max capacity
high, and capacity is 13.9lb/ft3. What
is total capacity?
27. You must enter a pit with a toxic Following proper OSHA procedure
atmosphere, how do you proceed? with proper training and PPE
28. When changing a 1:1 car rated at 300fpm 4,000lbs capacity
600fpm and 2,000lb capacity to a Half the speed, Double the capacity
2:1, what are the new ratings?
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