Mechanics Exam Review-NEIEP Questions With Accurate
Answers.
A contractor wants to raise the car speed from 100 fpm to 125 fpm, it
currently has a 12" sheave. What is required? - accurate answers-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? - accurate answers-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? - accurate answers-Suicide Circuit - 425
You have an old DC motor and are adding an SCR drive, what do you do to the
interpoles? - accurate answers-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? - accurate answers-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? - accurate
answers-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? - accurate answers-
Door Operator disconnect -535
The contractor requests that the vertical center of a Rack and Pinion hoist be
moved. How do you do this? - accurate answers-Adjust tie downs and wall ties
- 850
Working pressure on a Hydro is 400 PSI. What is the maximum relief valve
setting? - accurate answers-400 x 150%= 600 PSI - 815
What must be installed on a false care before operation? - accurate answers-
Spring Loaded safeties - 110
,There is slight arcing between the brush and commutator. What action must
be taken? - accurate answers-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? - accurate answers-18,000lbs -210
How much resistance is measured over a normally closed switch? - accurate
answers-.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? - accurate answers-traveling cable has a cut/exposed wire
or a short - 515
How is a class 1 yearly buffer test preformed? - accurate answers-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? - accurate
answers-4
1 every 100ft - 505-510
How is stainless steel drilled out? - accurate answers-Slow speed and constant
pressure - 205
What is the required amout of retainer clips for wedge shackles and what is
the spacing? - accurate answers-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? - accurate answers-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? -
accurate answers-Finish side facing the cutting edge of the tool. Blade will
burr the backside. - 225
How do you cut a finished floor? - accurate answers-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? - accurate answers-320 VAC
3 phase full wave= 1.33 x output voltage. - 715
A car is loaded with 125% and sinks, why? - accurate answers-Slipping
through the brake
IF you find a broken or missing barricade what should you do? - accurate
answers-Write up a formal inspection request
What are the consequences of misaligned joints on a rack and pinion? -
accurate answers-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? - accurate answers-9 X 4 x 13.9= 500lbs Max Capacity
You must enter a pit with a toxic atmosphere, how do you proceed? - accurate
answers-Follow proper OSHA procedure with proper training and PPE - 133
When changing a 1:1 car rated at 600fpm and 2,000lb capacity to a 2:1, what
are the new ratings? - accurate answers-300 fpm with 4000lbs capacity. Half
the speed and double the capacity.
A vertical platform lift has a clearance of 1 inch. How much will it have to
move to meet code? - accurate answers-Move in 1/4 inch. Code is 3/4 in
A car weighs 2500lbs with a capacity of 2500lbs, The CWT is weighted 40% ,
how much is the motor lifting when the car is fully loaded? - accurate
answers-2500 (CAR) + 1000 ( 40%)= 3500lbs
5000-3500= 1500lbs lifted by the machine - 240
Answers.
A contractor wants to raise the car speed from 100 fpm to 125 fpm, it
currently has a 12" sheave. What is required? - accurate answers-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? - accurate answers-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? - accurate answers-Suicide Circuit - 425
You have an old DC motor and are adding an SCR drive, what do you do to the
interpoles? - accurate answers-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? - accurate answers-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? - accurate
answers-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? - accurate answers-
Door Operator disconnect -535
The contractor requests that the vertical center of a Rack and Pinion hoist be
moved. How do you do this? - accurate answers-Adjust tie downs and wall ties
- 850
Working pressure on a Hydro is 400 PSI. What is the maximum relief valve
setting? - accurate answers-400 x 150%= 600 PSI - 815
What must be installed on a false care before operation? - accurate answers-
Spring Loaded safeties - 110
,There is slight arcing between the brush and commutator. What action must
be taken? - accurate answers-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? - accurate answers-18,000lbs -210
How much resistance is measured over a normally closed switch? - accurate
answers-.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? - accurate answers-traveling cable has a cut/exposed wire
or a short - 515
How is a class 1 yearly buffer test preformed? - accurate answers-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? - accurate
answers-4
1 every 100ft - 505-510
How is stainless steel drilled out? - accurate answers-Slow speed and constant
pressure - 205
What is the required amout of retainer clips for wedge shackles and what is
the spacing? - accurate answers-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? - accurate answers-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? -
accurate answers-Finish side facing the cutting edge of the tool. Blade will
burr the backside. - 225
How do you cut a finished floor? - accurate answers-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? - accurate answers-320 VAC
3 phase full wave= 1.33 x output voltage. - 715
A car is loaded with 125% and sinks, why? - accurate answers-Slipping
through the brake
IF you find a broken or missing barricade what should you do? - accurate
answers-Write up a formal inspection request
What are the consequences of misaligned joints on a rack and pinion? -
accurate answers-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? - accurate answers-9 X 4 x 13.9= 500lbs Max Capacity
You must enter a pit with a toxic atmosphere, how do you proceed? - accurate
answers-Follow proper OSHA procedure with proper training and PPE - 133
When changing a 1:1 car rated at 600fpm and 2,000lb capacity to a 2:1, what
are the new ratings? - accurate answers-300 fpm with 4000lbs capacity. Half
the speed and double the capacity.
A vertical platform lift has a clearance of 1 inch. How much will it have to
move to meet code? - accurate answers-Move in 1/4 inch. Code is 3/4 in
A car weighs 2500lbs with a capacity of 2500lbs, The CWT is weighted 40% ,
how much is the motor lifting when the car is fully loaded? - accurate
answers-2500 (CAR) + 1000 ( 40%)= 3500lbs
5000-3500= 1500lbs lifted by the machine - 240
