Elevator Mechanic Exam Review Questions with Verified
Answers |2026/2027 Update | A+ Graded
Car weighs 7,000lbs with a capacity of 3,500lbs. what does the CWT weigh? - Answer -8,400lbs
3500 x =1,400lbs
7,000 + 1,400 = 8,400
You are stacking rails in a single hydro hoist way, with a rise of 48' how many rails will you need?
- Answer -6 total rails
48' / 16' = 3
3 x 2 sides = 6 rails
Installing a 3,000lb capacity car, how much load will the break stop and hold? - Answer -3,750lbs
125% of rated capacity
3,000 x 125 = 375, = 3,750
On traction elevators where are the bottom guide shoes mounted? - Answer -To the safety
plank
You have a hoist rated at 3,000lbs, if you use a double block to single block reeving, what would
your total lifting capacity be? - Answer -6,000lbs
1|Page
,You need to find the DBG for the car, where would you find this information? - Answer -Final
layout or Hoistway plan view drawing
You are hoisting rails into the hoist way using a capstan hoist, your apprentice is having a hard
time pulling in rails. What can be done to make it easier? - Answer -Add another or more wraps
to the capstan hoist
Responding to a call on a hydro, you determine that the 50amp circuit breaker that feeds the
controller has tripped. What component of the elevator has the ability to cause this problem? -
Answer -The pump motor
The motor field windings on a DC motor are wound around a laminated core. The composition
of the core material is dependent upon which characteristics? - Answer -Permeability: the
ability of a substance to pack in magnetic lines of flux in a given space
You suspect a phasing issue with building power. Which controller device should you check 1st?
- Answer -Reverse phase relay: detects if incoming power has a loss of phase or phase reversal
How do you measure AC voltage on a Digital Multimeter? - Answer -Function to VAC Red lead to
Volt ohm
Black lead to common
2|Page
, Sometimes necessary to increase output of a DC generator to over speed an elevator as part of
the safety test. If maximum output is reached and speed cannot be increased, it is said to be
what? - Answer -Saturated: cannot produce any more magnetic lines of flux
Which of the following maintenance procedures addresses the issue of proper DC generator
commutation? - Answer -Continued contact between brushes and commutator
Customer is complaining that an older SCR drive powered elevator, is causing noise in the
building power lines. What can help reduce the noise? - Answer -Isolation Transformer: Used to
minimize electrical noise from being reflected back to supply lines
In a series circuit with a 10K ohm resistor and a 2mA current, what is Voltage? - Answer -20v
E=R x I
10,000 x .002= 20v
How would you connect an ohm-meter to check load resistance? - Answer -Black to common
Red to V ohm Switch at Ohm.
No power, take one lead off, connect in parallel Analog needs to be Zeroed 1 st
Exciter voltage comes from what source? - Answer -Generator
3|Page
Answers |2026/2027 Update | A+ Graded
Car weighs 7,000lbs with a capacity of 3,500lbs. what does the CWT weigh? - Answer -8,400lbs
3500 x =1,400lbs
7,000 + 1,400 = 8,400
You are stacking rails in a single hydro hoist way, with a rise of 48' how many rails will you need?
- Answer -6 total rails
48' / 16' = 3
3 x 2 sides = 6 rails
Installing a 3,000lb capacity car, how much load will the break stop and hold? - Answer -3,750lbs
125% of rated capacity
3,000 x 125 = 375, = 3,750
On traction elevators where are the bottom guide shoes mounted? - Answer -To the safety
plank
You have a hoist rated at 3,000lbs, if you use a double block to single block reeving, what would
your total lifting capacity be? - Answer -6,000lbs
1|Page
,You need to find the DBG for the car, where would you find this information? - Answer -Final
layout or Hoistway plan view drawing
You are hoisting rails into the hoist way using a capstan hoist, your apprentice is having a hard
time pulling in rails. What can be done to make it easier? - Answer -Add another or more wraps
to the capstan hoist
Responding to a call on a hydro, you determine that the 50amp circuit breaker that feeds the
controller has tripped. What component of the elevator has the ability to cause this problem? -
Answer -The pump motor
The motor field windings on a DC motor are wound around a laminated core. The composition
of the core material is dependent upon which characteristics? - Answer -Permeability: the
ability of a substance to pack in magnetic lines of flux in a given space
You suspect a phasing issue with building power. Which controller device should you check 1st?
- Answer -Reverse phase relay: detects if incoming power has a loss of phase or phase reversal
How do you measure AC voltage on a Digital Multimeter? - Answer -Function to VAC Red lead to
Volt ohm
Black lead to common
2|Page
, Sometimes necessary to increase output of a DC generator to over speed an elevator as part of
the safety test. If maximum output is reached and speed cannot be increased, it is said to be
what? - Answer -Saturated: cannot produce any more magnetic lines of flux
Which of the following maintenance procedures addresses the issue of proper DC generator
commutation? - Answer -Continued contact between brushes and commutator
Customer is complaining that an older SCR drive powered elevator, is causing noise in the
building power lines. What can help reduce the noise? - Answer -Isolation Transformer: Used to
minimize electrical noise from being reflected back to supply lines
In a series circuit with a 10K ohm resistor and a 2mA current, what is Voltage? - Answer -20v
E=R x I
10,000 x .002= 20v
How would you connect an ohm-meter to check load resistance? - Answer -Black to common
Red to V ohm Switch at Ohm.
No power, take one lead off, connect in parallel Analog needs to be Zeroed 1 st
Exciter voltage comes from what source? - Answer -Generator
3|Page
