Mechanics Exam Review-NEIEP With Complete d d d d
Answers d
A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a 12"
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sheave. What is required? - CORRECT ANSWER✔✔100 fpm/125 fpm= 12"/ X =15
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A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or
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resistance. What should you do? - CORRECT ANSWER✔✔Replace it with a larger MOV -
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630
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On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through the brake.
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What is the issue? - CORRECT ANSWER✔✔Suicide Circuit - 425
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You have an old DC motor and are adding an SCR drive, what do you do to the interpoles? -
d d d d d d d d d d d d d d d d d d d
CORRECT ANSWER✔✔Leave the interpoles alone. When adding a SCR drive to the
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generator, the series loop is removed, as are the 3 resistors. Everything else remains the
d d d d d d d d d d d d d d d
same
d
A hydro runs up with no load but will not run with a full load. What is the issue? - CORRECT
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ANSWER✔✔The relief valve is set too low - 815
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Runby for a 1:1 hits the CWT buffer 4" below the top landing. CWT runby should be set at 18".
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How much should the ropes be shortened? - CORRECT ANSWER✔✔22" - 235
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You need to work on a freight door retiring cam, you LOTO the main line but there is still
d d d d d d d d d d d d d d d d d d
power on the cam. What circuit is still hot? - CORRECT ANSWER✔✔Door Operator
d d d d d d d d d d d d d
disconnect -535
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The contractor requests that the vertical center of a Rack and Pinion hoist be moved. How do
d d d d d d d d d d d d d d d d
you do this? - CORRECT ANSWER✔✔Adjust tie downs and wall ties - 850
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Working pressure on a Hydro is 400 PSI. What is the maximum relief valve setting? -
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CORRECT ANSWER✔✔400 x 150%= 600 PSI - 815
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What must be installed on a false care before operation? - CORRECT ANSWER✔✔Spring
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Loaded safeties - 110
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,There is slight arcing between the brush and commutator. What action must be taken? -
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CORRECT ANSWER✔✔None
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Note: Heavy arcing= light brush pressure, Heavy brush pressure= mechanical wear
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If rigging is roped 3:1 and a BEAM CLAMP is used to lift a 6,000lb load. What is the beam
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capacity? - CORRECT ANSWER✔✔18,000lbs -210
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How much resistance is measured over a normally closed switch? - CORRECT
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ANSWER✔✔.2 Ohms- should be zero but will never be that low
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A car traveling in the hoistway always stops at the same spot and blows a fuse. What causes
d d d d d d d d d d d d d d d d d
this? - CORRECT ANSWER✔✔traveling cable has a cut/exposed wire or a short - 515
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How is a class 1 yearly buffer test preformed? - CORRECT ANSWER✔✔Car at the bottom
d d d d d d d d d d d d d d
landing and on inspection, jump out direction and final limits. With pit clear, run down to
d d d d d d d d d d d d d d d d
compress the buffers, buffers should fully extend within 90 seconds.
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Note: 5 yr is Full load, full speed - 555
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How many strain supports are required on a 350 ft raceway? - CORRECT ANSWER✔✔4
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1 every 100ft - 505-510
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How is stainless steel drilled out? - CORRECT ANSWER✔✔Slow speed and constant
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pressure - 205
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What is the required amout of retainer clips for wedge shackles and what is the spacing? -
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CORRECT ANSWER✔✔At least 2. First clip being 4 times the diameter of the rope from the
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top of the shackle, and the second clip is 8 times the diameter of the rope away from the
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shackle. - 245
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A 300 ohm resistor burns out, but you dont have another one. How can you make one? -
d d d d d d d d d d d d d d d d d
CORRECT ANSWER✔✔2- 600 ohms resistors in parallel is 300 ohms. Resistance is half of
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the highest resistor in the parallel circuit. 3- 225 ohms is 75 ohms. - 345
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When cutting laminated panels, which direction should the finish side face? - CORRECT
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ANSWER✔✔Finish side facing the cutting edge of the tool. Blade will burr the backside. -
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225
d
How do you cut a finished floor? - CORRECT ANSWER✔✔Cutting blade away from the
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finished side - 255
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A 480 VAC stepdown 240 VAC transformer is connected to a 3 phase rectifier, what is the
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output voltage? - CORRECT ANSWER✔✔320 VAC
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3 phase full wave= 1.33 x output voltage. - 715
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, A car is loaded with 125% and sinks, why? - CORRECT ANSWER✔✔Slipping through the
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brake
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IF you find a broken or missing barricade what should you do? - CORRECT
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ANSWER✔✔Write up a formal inspection request
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What are the consequences of misaligned joints on a rack and pinion? - CORRECT
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ANSWER✔✔Broken gear teeth. CWT derailment. Excessive wear/crease the surface of
d d d d d d d d d d
the tube. - 850
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A dumbwaiter is 9 sqft in area, 4 ft in height, and capacity is 13.9lb/ft. What is the total
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capacity? - CORRECT ANSWER✔✔9 X 4 x 13.9= 500lbs Max Capacity
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You must enter a pit with a toxic atmosphere, how do you proceed? - CORRECT
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ANSWER✔✔Follow proper OSHA procedure with proper training and PPE - 133
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When changing a 1:1 car rated at 600fpm and 2,000lb capacity to a 2:1, what are the new
d d d d d d d d d d d d d d d d d
ratings? - CORRECT ANSWER✔✔300 fpm with 4000lbs capacity. Half the speed and
d d d d d d d d d d d d
double the capacity.
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A vertical platform lift has a clearance of 1 inch. How much will it have to move to meet code?
d d d d d d d d d d d d d d d d d d d
- CORRECT ANSWER✔✔Move in 1/4 inch. Code is 3/4 in
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A car weighs 2500lbs with a capacity of 2500lbs, The CWT is weighted 40% , how much is
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the motor lifting when the car is fully loaded? - CORRECT ANSWER✔✔2500 (CAR) + 1000
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( 40%)= 3500lbs
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5000-3500= 1500lbs lifted by the machine - 240 d d d d d d d
How must Oxygen and Acetylene tanks be stored? - CORRECT ANSWER✔✔Vertically, 12
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feet apart, or on a cart with a ½ hour fire barrier between them
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What is code for sill to sill distance? - CORRECT ANSWER✔✔Minimum- 1/2 in
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Maximum- 1-1/2 in - 525 d d d d
When drilling a jack hole in sandy conditions what type of drill rig is required? - CORRECT
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ANSWER✔✔Rotary or Auger bit
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Note: Rotary=soft d d
Percussion= rocky d
Combo= solid - 810 d d d
A customer does not want an escape hatch on a residential elevator, under what condition is
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this legal? - CORRECT ANSWER✔✔Manual operation must be provided - 840
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Answers d
A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a 12"
d d d d d d d d d d d d d d d d d d
sheave. What is required? - CORRECT ANSWER✔✔100 fpm/125 fpm= 12"/ X =15
d d d d d d d d d d d d
A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or
d d d d d d d d d d d d d d
resistance. What should you do? - CORRECT ANSWER✔✔Replace it with a larger MOV -
d d d d d d d d d d d d d d
630
d
On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through the brake.
d d d d d d d d d d d d d d d d d
What is the issue? - CORRECT ANSWER✔✔Suicide Circuit - 425
d d d d d d d d d d
You have an old DC motor and are adding an SCR drive, what do you do to the interpoles? -
d d d d d d d d d d d d d d d d d d d
CORRECT ANSWER✔✔Leave the interpoles alone. When adding a SCR drive to the
d d d d d d d d d d d d
generator, the series loop is removed, as are the 3 resistors. Everything else remains the
d d d d d d d d d d d d d d d
same
d
A hydro runs up with no load but will not run with a full load. What is the issue? - CORRECT
d d d d d d d d d d d d d d d d d d d d
ANSWER✔✔The relief valve is set too low - 815
d d d d d d d d d
Runby for a 1:1 hits the CWT buffer 4" below the top landing. CWT runby should be set at 18".
d d d d d d d d d d d d d d d d d d d
How much should the ropes be shortened? - CORRECT ANSWER✔✔22" - 235
d d d d d d d d d d d d
You need to work on a freight door retiring cam, you LOTO the main line but there is still
d d d d d d d d d d d d d d d d d d
power on the cam. What circuit is still hot? - CORRECT ANSWER✔✔Door Operator
d d d d d d d d d d d d d
disconnect -535
d d
The contractor requests that the vertical center of a Rack and Pinion hoist be moved. How do
d d d d d d d d d d d d d d d d
you do this? - CORRECT ANSWER✔✔Adjust tie downs and wall ties - 850
d d d d d d d d d d d d d
Working pressure on a Hydro is 400 PSI. What is the maximum relief valve setting? -
d d d d d d d d d d d d d d d
CORRECT ANSWER✔✔400 x 150%= 600 PSI - 815
d d d d d d d d
What must be installed on a false care before operation? - CORRECT ANSWER✔✔Spring
d d d d d d d d d d d d
Loaded safeties - 110
d d d d
,There is slight arcing between the brush and commutator. What action must be taken? -
d d d d d d d d d d d d d d
CORRECT ANSWER✔✔None
d d d
Note: Heavy arcing= light brush pressure, Heavy brush pressure= mechanical wear
d d d d d d d d d d
If rigging is roped 3:1 and a BEAM CLAMP is used to lift a 6,000lb load. What is the beam
d d d d d d d d d d d d d d d d d d d
capacity? - CORRECT ANSWER✔✔18,000lbs -210
d d d d d
How much resistance is measured over a normally closed switch? - CORRECT
d d d d d d d d d d d
ANSWER✔✔.2 Ohms- should be zero but will never be that low
d d d d d d d d d d d
A car traveling in the hoistway always stops at the same spot and blows a fuse. What causes
d d d d d d d d d d d d d d d d d
this? - CORRECT ANSWER✔✔traveling cable has a cut/exposed wire or a short - 515
d d d d d d d d d d d d d d
How is a class 1 yearly buffer test preformed? - CORRECT ANSWER✔✔Car at the bottom
d d d d d d d d d d d d d d
landing and on inspection, jump out direction and final limits. With pit clear, run down to
d d d d d d d d d d d d d d d d
compress the buffers, buffers should fully extend within 90 seconds.
d d d d d d d d d d d
Note: 5 yr is Full load, full speed - 555
d d d d d d d d d
How many strain supports are required on a 350 ft raceway? - CORRECT ANSWER✔✔4
d d d d d d d d d d d d d
1 every 100ft - 505-510
d d d d
How is stainless steel drilled out? - CORRECT ANSWER✔✔Slow speed and constant
d d d d d d d d d d d
pressure - 205
d d d
What is the required amout of retainer clips for wedge shackles and what is the spacing? -
d d d d d d d d d d d d d d d d
CORRECT ANSWER✔✔At least 2. First clip being 4 times the diameter of the rope from the
d d d d d d d d d d d d d d d d
top of the shackle, and the second clip is 8 times the diameter of the rope away from the
d d d d d d d d d d d d d d d d d d d
shackle. - 245
d d d
A 300 ohm resistor burns out, but you dont have another one. How can you make one? -
d d d d d d d d d d d d d d d d d
CORRECT ANSWER✔✔2- 600 ohms resistors in parallel is 300 ohms. Resistance is half of
d d d d d d d d d d d d d d
the highest resistor in the parallel circuit. 3- 225 ohms is 75 ohms. - 345
d d d d d d d d d d d d d d d
When cutting laminated panels, which direction should the finish side face? - CORRECT
d d d d d d d d d d d d
ANSWER✔✔Finish side facing the cutting edge of the tool. Blade will burr the backside. -
d d d d d d d d d d d d d d d
225
d
How do you cut a finished floor? - CORRECT ANSWER✔✔Cutting blade away from the
d d d d d d d d d d d d d
finished side - 255
d d d d
A 480 VAC stepdown 240 VAC transformer is connected to a 3 phase rectifier, what is the
d d d d d d d d d d d d d d d d
output voltage? - CORRECT ANSWER✔✔320 VAC
d d d d d d
3 phase full wave= 1.33 x output voltage. - 715
d d d d d d d d d
, A car is loaded with 125% and sinks, why? - CORRECT ANSWER✔✔Slipping through the
d d d d d d d d d d d d d
brake
d
IF you find a broken or missing barricade what should you do? - CORRECT
d d d d d d d d d d d d d
ANSWER✔✔Write up a formal inspection request
d d d d d d
What are the consequences of misaligned joints on a rack and pinion? - CORRECT
d d d d d d d d d d d d d
ANSWER✔✔Broken gear teeth. CWT derailment. Excessive wear/crease the surface of
d d d d d d d d d d
the tube. - 850
d d d d
A dumbwaiter is 9 sqft in area, 4 ft in height, and capacity is 13.9lb/ft. What is the total
d d d d d d d d d d d d d d d d d d
capacity? - CORRECT ANSWER✔✔9 X 4 x 13.9= 500lbs Max Capacity
d d d d d d d d d d d
You must enter a pit with a toxic atmosphere, how do you proceed? - CORRECT
d d d d d d d d d d d d d d
ANSWER✔✔Follow proper OSHA procedure with proper training and PPE - 133
d d d d d d d d d d d
When changing a 1:1 car rated at 600fpm and 2,000lb capacity to a 2:1, what are the new
d d d d d d d d d d d d d d d d d
ratings? - CORRECT ANSWER✔✔300 fpm with 4000lbs capacity. Half the speed and
d d d d d d d d d d d d
double the capacity.
d d d
A vertical platform lift has a clearance of 1 inch. How much will it have to move to meet code?
d d d d d d d d d d d d d d d d d d d
- CORRECT ANSWER✔✔Move in 1/4 inch. Code is 3/4 in
d d d d d d d d d d
A car weighs 2500lbs with a capacity of 2500lbs, The CWT is weighted 40% , how much is
d d d d d d d d d d d d d d d d d
the motor lifting when the car is fully loaded? - CORRECT ANSWER✔✔2500 (CAR) + 1000
d d d d d d d d d d d d d d d
( 40%)= 3500lbs
d d d d
5000-3500= 1500lbs lifted by the machine - 240 d d d d d d d
How must Oxygen and Acetylene tanks be stored? - CORRECT ANSWER✔✔Vertically, 12
d d d d d d d d d d d
feet apart, or on a cart with a ½ hour fire barrier between them
d d d d d d d d d d d d d d
What is code for sill to sill distance? - CORRECT ANSWER✔✔Minimum- 1/2 in
d d d d d d d d d d d d
Maximum- 1-1/2 in - 525 d d d d
When drilling a jack hole in sandy conditions what type of drill rig is required? - CORRECT
d d d d d d d d d d d d d d d d
ANSWER✔✔Rotary or Auger bit
d d d d
Note: Rotary=soft d d
Percussion= rocky d
Combo= solid - 810 d d d
A customer does not want an escape hatch on a residential elevator, under what condition is
d d d d d d d d d d d d d d d
this legal? - CORRECT ANSWER✔✔Manual operation must be provided - 840
d d d d d d d d d d d
