Mechanics Exam NEIEP 2026 Questions and Answers
(Verified Answers by Expert)
A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a
12" sheave. What is required? - ANSWER 100 fpm/125 fpm= 12"/ X =15
A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or
resistance. What should you do? - ANSWER Replace it with a larger MOV - 630
On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through the
brake. What is the issue? - ANSWER Suicide Circuit - 425
You have an old DC motor and are adding an SCR drive, what do you do to the
interpoles? - ANSWER 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? -
ANSWER The relief valve is set too low - 815
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? - ANSWER 22" - 235
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? - ANSWER Door Operator
disconnect -535
The contractor requests that the vertical center of a Rack and Pinion hoist be moved.
How do you do this? - ANSWER Adjust tie downs and wall ties - 850
Working pressure on a Hydro is 400 PSI. What is the maximum relief valve setting? -
ANSWER 400 x 150%= 600 PSI - 815
What must be installed on a false care before operation? - ANSWER Spring Loaded
safeties - 110
There is slight arcing between the brush and commutator. What action must be
taken? - ANSWER None
Note: Heavy arcing= light brush pressure, Heavy brush pressure= mechanical wear
If rigging is roped 3:1 and a BEAM CLAMP is used to lift a 6,000lb load. What is the
beam capacity? - ANSWER 18,000lbs -210
How much resistance is measured over a normally closed switch? - ANSWER .2
Ohms- should be zero but will never be that low
, A car traveling in the hoistway always stops at the same spot and blows a fuse.
What causes this? - ANSWER traveling cable has a cut/exposed wire or a short -
515
How is a class 1 yearly buffer test preformed? - ANSWER Car at the bottom landing
and on inspection, jump out direction and final limits. With pit clear, run down to
compress the buffers, buffers should fully extend within 90 seconds.
Note: 5 yr is Full load, full speed - 555
How many strain supports are required on a 350 ft raceway? - ANSWER 4
1 every 100ft - 505-510
How is stainless steel drilled out? - ANSWER Slow speed and constant pressure -
205
What is the required amout of retainer clips for wedge shackles and what is the
spacing? - ANSWER At least 2. First clip being 4 times the diameter of the rope
from the top of the shackle, and the second clip is 8 times the diameter of the rope
away from the shackle. - 245
A 300 ohm resistor burns out, but you dont have another one. How can you make
one? - ANSWER 2- 600 ohms resistors in parallel is 300 ohms. Resistance is half of
the highest resistor in the parallel circuit. 3- 225 ohms is 75 ohms. - 345
When cutting laminated panels, which direction should the finish side face? -
ANSWER Finish side facing the cutting edge of the tool. Blade will burr the
backside. - 225
How do you cut a finished floor? - ANSWER Cutting blade away from the finished
side - 255
A 480 VAC stepdown 240 VAC transformer is connected to a 3 phase rectifier, what
is the output voltage? - ANSWER 320 VAC
3 phase full wave= 1.33 x output voltage. - 715
A car is loaded with 125% and sinks, why? - ANSWER Slipping through the brake
IF you find a broken or missing barricade what should you do? - ANSWER Write up
a formal inspection request
What are the consequences of misaligned joints on a rack and pinion? - ANSWER
Broken gear teeth. CWT derailment. Excessive wear/crease the surface of the tube.
- 850
A dumbwaiter is 9 sqft in area, 4 ft in height, and capacity is 13.9lb/ft. What is the
total capacity? - ANSWER 9 X 4 x 13.9= 500lbs Max Capacity
You must enter a pit with a toxic atmosphere, how do you proceed? - ANSWER
Follow proper OSHA procedure with proper training and PPE - 133
(Verified Answers by Expert)
A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a
12" sheave. What is required? - ANSWER 100 fpm/125 fpm= 12"/ X =15
A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or
resistance. What should you do? - ANSWER Replace it with a larger MOV - 630
On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through the
brake. What is the issue? - ANSWER Suicide Circuit - 425
You have an old DC motor and are adding an SCR drive, what do you do to the
interpoles? - ANSWER 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? -
ANSWER The relief valve is set too low - 815
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? - ANSWER 22" - 235
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? - ANSWER Door Operator
disconnect -535
The contractor requests that the vertical center of a Rack and Pinion hoist be moved.
How do you do this? - ANSWER Adjust tie downs and wall ties - 850
Working pressure on a Hydro is 400 PSI. What is the maximum relief valve setting? -
ANSWER 400 x 150%= 600 PSI - 815
What must be installed on a false care before operation? - ANSWER Spring Loaded
safeties - 110
There is slight arcing between the brush and commutator. What action must be
taken? - ANSWER None
Note: Heavy arcing= light brush pressure, Heavy brush pressure= mechanical wear
If rigging is roped 3:1 and a BEAM CLAMP is used to lift a 6,000lb load. What is the
beam capacity? - ANSWER 18,000lbs -210
How much resistance is measured over a normally closed switch? - ANSWER .2
Ohms- should be zero but will never be that low
, A car traveling in the hoistway always stops at the same spot and blows a fuse.
What causes this? - ANSWER traveling cable has a cut/exposed wire or a short -
515
How is a class 1 yearly buffer test preformed? - ANSWER Car at the bottom landing
and on inspection, jump out direction and final limits. With pit clear, run down to
compress the buffers, buffers should fully extend within 90 seconds.
Note: 5 yr is Full load, full speed - 555
How many strain supports are required on a 350 ft raceway? - ANSWER 4
1 every 100ft - 505-510
How is stainless steel drilled out? - ANSWER Slow speed and constant pressure -
205
What is the required amout of retainer clips for wedge shackles and what is the
spacing? - ANSWER At least 2. First clip being 4 times the diameter of the rope
from the top of the shackle, and the second clip is 8 times the diameter of the rope
away from the shackle. - 245
A 300 ohm resistor burns out, but you dont have another one. How can you make
one? - ANSWER 2- 600 ohms resistors in parallel is 300 ohms. Resistance is half of
the highest resistor in the parallel circuit. 3- 225 ohms is 75 ohms. - 345
When cutting laminated panels, which direction should the finish side face? -
ANSWER Finish side facing the cutting edge of the tool. Blade will burr the
backside. - 225
How do you cut a finished floor? - ANSWER Cutting blade away from the finished
side - 255
A 480 VAC stepdown 240 VAC transformer is connected to a 3 phase rectifier, what
is the output voltage? - ANSWER 320 VAC
3 phase full wave= 1.33 x output voltage. - 715
A car is loaded with 125% and sinks, why? - ANSWER Slipping through the brake
IF you find a broken or missing barricade what should you do? - ANSWER Write up
a formal inspection request
What are the consequences of misaligned joints on a rack and pinion? - ANSWER
Broken gear teeth. CWT derailment. Excessive wear/crease the surface of the tube.
- 850
A dumbwaiter is 9 sqft in area, 4 ft in height, and capacity is 13.9lb/ft. What is the
total capacity? - ANSWER 9 X 4 x 13.9= 500lbs Max Capacity
You must enter a pit with a toxic atmosphere, how do you proceed? - ANSWER
Follow proper OSHA procedure with proper training and PPE - 133
