Elevator Mechanic Exam Review Questions
with Verified Answers
Question 1
When going to a trouble call you find that the machine room has 2 inches of water in
it, what is the first thing you do?
Correct Answer
Leave the Machine room
Question 2
What must be done if you get on top of a dumbwaiter?
Correct Answer
Never fully get on top. Work only partially on with the mainline disconnect off
Question 3
You just pulled multi-cables down the hoistway of a high rise. How should you
provide strain relief for the cables?
Correct Answer
Required every 100'. Begin installing at the lowest and work upwards to adjust and
tension
Question 4
A customer does not want an escape hatch on a residential elevator, under what
condition is this legal?
Correct Answer
Manual operation must be provided
Page 1 of 48
,Question 5
What is the maximum inclination for moving walks?
Correct Answer
12 degrees
Question 6
What is the minimum breaking strength of a wire rope used as Life Safety?
Correct Answer
5,000 pounds
Question 7
Before you can move a piston on a hydro, what precautions must be taken?
Correct Answer
Check the piston for debris and tightness of the head, make sure pit is clear
Question 8
You are testing an elevator with a rated speed of 500fpm. What is the minimum speed
the safeties should set at?
Correct Answer
575fpm. Mechanical:115% x 500=575. Electrical:90% x 575=517.5fpm
Question 9
You need to replace an unmarked SINGLE PHASE transformer with primary voltage at
220vac current at 5amp. What size would you need to double it?
Correct Answer
KVa sizing must be calculated from primary or secondary volt + amp info
Single phase kVa=(VxI) / 1,000 kVa=220x5== 1.1
kVa 2.2 kVa needed to double
Page 2 of 48
,Question 10
While on service you observe the mechanical style safety edges on center opening
doors bumping into each other, reopening the doors. Where do you need to look to
repair this problem?
Correct Answer
The safety edge retraction mechanism
Question 11
A DC door motor supplied from a 3 phase rectifier runs slow. The DC voltage is
normally 320 is 220. What should you do?
Correct Answer
Check the fuse feeding the AC rectifier
Question 12
You are installing spring buffers on a 200fpm car, what is the minimum buffer stroke?
Correct Answer
4"
100fpm 1 ½ inch 100fpm-150fpm 2 ½ inch 200fpm 4 inch
Question 13
On an ANNUAL static load test, the car drifts down 15" in 10 minutes. There is no
visible oil in the pit, where is the leak coming from?
Correct Answer
Underground. Annual static test required for unexposed cylinders
Question 14
If a hoist motor is making noise, what is the problem?
Correct Answer
Isolation transformer
To help prevent distortion to the building AC supply, INDUCTORS can be used on
AC input of a solid state drive. Inductors can serve double duty, they operate as
Transformers, to match input voltage, or provide voltage isolation. As well as
performing filtering on notch effect.
Page 3 of 48
, Question 15
The DBG is 6'6" using 15lb rails with ¼ shim on the brackets, what is DBB?
Correct Answer
7' 1 ½"
15lb rail is 3 ½ deep so 7" total.
2-¼" shim is ½". 6'6" + 7 ½" =7 foot 1 ½ inch
Question 16
How do you attach brackets to brick?
Correct Answer
Inserts set back a ¼ inch into the block. Code could call for through bolts
Question 17
Who is required to provide MSDS or SDS for a solvent you are using?
Correct Answer
Your employer
Question 18
After receiving an inspection report, one violation is door closing force. After checking
you read 50lb of door force, is this code? How do you make it code compliant?
Correct Answer
Not code. Code is 30lb or less. To fix it you need to adjust the torque/speed of door
operator
Question 19
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?
Correct Answer
Saturated: cannot produce any more magnetic lines of flux
Page 4 of 48
with Verified Answers
Question 1
When going to a trouble call you find that the machine room has 2 inches of water in
it, what is the first thing you do?
Correct Answer
Leave the Machine room
Question 2
What must be done if you get on top of a dumbwaiter?
Correct Answer
Never fully get on top. Work only partially on with the mainline disconnect off
Question 3
You just pulled multi-cables down the hoistway of a high rise. How should you
provide strain relief for the cables?
Correct Answer
Required every 100'. Begin installing at the lowest and work upwards to adjust and
tension
Question 4
A customer does not want an escape hatch on a residential elevator, under what
condition is this legal?
Correct Answer
Manual operation must be provided
Page 1 of 48
,Question 5
What is the maximum inclination for moving walks?
Correct Answer
12 degrees
Question 6
What is the minimum breaking strength of a wire rope used as Life Safety?
Correct Answer
5,000 pounds
Question 7
Before you can move a piston on a hydro, what precautions must be taken?
Correct Answer
Check the piston for debris and tightness of the head, make sure pit is clear
Question 8
You are testing an elevator with a rated speed of 500fpm. What is the minimum speed
the safeties should set at?
Correct Answer
575fpm. Mechanical:115% x 500=575. Electrical:90% x 575=517.5fpm
Question 9
You need to replace an unmarked SINGLE PHASE transformer with primary voltage at
220vac current at 5amp. What size would you need to double it?
Correct Answer
KVa sizing must be calculated from primary or secondary volt + amp info
Single phase kVa=(VxI) / 1,000 kVa=220x5== 1.1
kVa 2.2 kVa needed to double
Page 2 of 48
,Question 10
While on service you observe the mechanical style safety edges on center opening
doors bumping into each other, reopening the doors. Where do you need to look to
repair this problem?
Correct Answer
The safety edge retraction mechanism
Question 11
A DC door motor supplied from a 3 phase rectifier runs slow. The DC voltage is
normally 320 is 220. What should you do?
Correct Answer
Check the fuse feeding the AC rectifier
Question 12
You are installing spring buffers on a 200fpm car, what is the minimum buffer stroke?
Correct Answer
4"
100fpm 1 ½ inch 100fpm-150fpm 2 ½ inch 200fpm 4 inch
Question 13
On an ANNUAL static load test, the car drifts down 15" in 10 minutes. There is no
visible oil in the pit, where is the leak coming from?
Correct Answer
Underground. Annual static test required for unexposed cylinders
Question 14
If a hoist motor is making noise, what is the problem?
Correct Answer
Isolation transformer
To help prevent distortion to the building AC supply, INDUCTORS can be used on
AC input of a solid state drive. Inductors can serve double duty, they operate as
Transformers, to match input voltage, or provide voltage isolation. As well as
performing filtering on notch effect.
Page 3 of 48
, Question 15
The DBG is 6'6" using 15lb rails with ¼ shim on the brackets, what is DBB?
Correct Answer
7' 1 ½"
15lb rail is 3 ½ deep so 7" total.
2-¼" shim is ½". 6'6" + 7 ½" =7 foot 1 ½ inch
Question 16
How do you attach brackets to brick?
Correct Answer
Inserts set back a ¼ inch into the block. Code could call for through bolts
Question 17
Who is required to provide MSDS or SDS for a solvent you are using?
Correct Answer
Your employer
Question 18
After receiving an inspection report, one violation is door closing force. After checking
you read 50lb of door force, is this code? How do you make it code compliant?
Correct Answer
Not code. Code is 30lb or less. To fix it you need to adjust the torque/speed of door
operator
Question 19
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?
Correct Answer
Saturated: cannot produce any more magnetic lines of flux
Page 4 of 48
