Elevator Mechanic Exam Review questions
with verified answers
If rigging gear is roped 3:1 and a BEAM CLAMP is used to lift a
6,000lb load. What is the beam capacity? - ...,.🔹VERIFIED
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
What are the consequences of misaligned joints on a Rack and
Pinion? - ...,.🔹VERIFIED ANSWER **✔✔Broken Gear teeth.
CWT derailment. Excessive wear/ crease the surface of the tube
There is a noise coming from a freight door. The sheave is moving,
but the chain is not. What is the problem? - ...,.🔹VERIFIED
ANSWER **✔✔Oil on the drive chain
What is the effect when you change a sling angle from 60 degrees to
30 degrees? - ...,.🔹VERIFIED ANSWER **✔✔More tension, less
capacity. Any angle 30 or less is dangerous
1 \\\/ \\\
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,Generator runs at 600rpm and has 4 poles, what is the output
frequency? - ...,.🔹VERIFIED ANSWER **✔✔20hz
600/60=10 10x2=20 RPM 60 x frequency / pole/2
How many wires are needed for the following circuit? Exclude
spares. BCE---SPI/BCD---SP2/BCD---SP4/BCD---UR1/BCE---
UR2/BCE---DR1/CRE--- DR2/GRD - ...,.🔹VERIFIED ANSWER
**✔✔11 wires. You do not need the duplicates
How must a 9 lead 480/240 motor be wired for High Voltage?
- ...,.🔹VERIFIED ANSWER **✔✔L1(1) L2(2) L3(3) Low Voltage
L1(1-7) L2(2- 8) L3(3-9) 7-4 8-6 9-5 4 5 6 + 120v______0-------
0_______R2________A_________R1_______GRD
There is voltage at the switch, but none at A, what is wrong?
- ...,.🔹VERIFIED ANSWER **✔✔Open at R2 or R1
The close door limit switch is not working, you have power at
points 35-8, no voltage at 1-S2 why? - ...,.🔹VERIFIED ANSWER
**✔✔Door limit switch malfunction
2 \\\/ \\\
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, The step level switch on an escalator has been tripped, where do
you check? - ...,.🔹VERIFIED ANSWER **✔✔Upper and Lower
Truss assemblies, trips if step sags more than 1/8th inch
A motor needs a sleeve bearing replaced, what type of bearing do
you need? - ...,.🔹VERIFIED ANSWER **✔✔Friction bearing AKA
Sleeve bearing.
Anti-Friction Bearing AKA Ball bearing
What type of safeties are required on a 300fpm car?
- ...,.🔹VERIFIED ANSWER **✔✔Type B wedge clamp
What stopping devices are required on vertical platforms?
- ...,.🔹VERIFIED ANSWER **✔✔2 pan switches. 15lbs max
pressure
What are the most common features of Load Weigh?
- ...,.🔹VERIFIED ANSWER **✔✔Control generator field and
Inside express operation
3 \\\/ \\\
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with verified answers
If rigging gear is roped 3:1 and a BEAM CLAMP is used to lift a
6,000lb load. What is the beam capacity? - ...,.🔹VERIFIED
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
What are the consequences of misaligned joints on a Rack and
Pinion? - ...,.🔹VERIFIED ANSWER **✔✔Broken Gear teeth.
CWT derailment. Excessive wear/ crease the surface of the tube
There is a noise coming from a freight door. The sheave is moving,
but the chain is not. What is the problem? - ...,.🔹VERIFIED
ANSWER **✔✔Oil on the drive chain
What is the effect when you change a sling angle from 60 degrees to
30 degrees? - ...,.🔹VERIFIED ANSWER **✔✔More tension, less
capacity. Any angle 30 or less is dangerous
1 \\\/ \\\
28
,Generator runs at 600rpm and has 4 poles, what is the output
frequency? - ...,.🔹VERIFIED ANSWER **✔✔20hz
600/60=10 10x2=20 RPM 60 x frequency / pole/2
How many wires are needed for the following circuit? Exclude
spares. BCE---SPI/BCD---SP2/BCD---SP4/BCD---UR1/BCE---
UR2/BCE---DR1/CRE--- DR2/GRD - ...,.🔹VERIFIED ANSWER
**✔✔11 wires. You do not need the duplicates
How must a 9 lead 480/240 motor be wired for High Voltage?
- ...,.🔹VERIFIED ANSWER **✔✔L1(1) L2(2) L3(3) Low Voltage
L1(1-7) L2(2- 8) L3(3-9) 7-4 8-6 9-5 4 5 6 + 120v______0-------
0_______R2________A_________R1_______GRD
There is voltage at the switch, but none at A, what is wrong?
- ...,.🔹VERIFIED ANSWER **✔✔Open at R2 or R1
The close door limit switch is not working, you have power at
points 35-8, no voltage at 1-S2 why? - ...,.🔹VERIFIED ANSWER
**✔✔Door limit switch malfunction
2 \\\/ \\\
28
, The step level switch on an escalator has been tripped, where do
you check? - ...,.🔹VERIFIED ANSWER **✔✔Upper and Lower
Truss assemblies, trips if step sags more than 1/8th inch
A motor needs a sleeve bearing replaced, what type of bearing do
you need? - ...,.🔹VERIFIED ANSWER **✔✔Friction bearing AKA
Sleeve bearing.
Anti-Friction Bearing AKA Ball bearing
What type of safeties are required on a 300fpm car?
- ...,.🔹VERIFIED ANSWER **✔✔Type B wedge clamp
What stopping devices are required on vertical platforms?
- ...,.🔹VERIFIED ANSWER **✔✔2 pan switches. 15lbs max
pressure
What are the most common features of Load Weigh?
- ...,.🔹VERIFIED ANSWER **✔✔Control generator field and
Inside express operation
3 \\\/ \\\
28
