Mechanics Exam Review-NEIEP
1 gallon equals how many cubic ft? - ANS-231 -815
2 controllers in a small system room face each other, what is the minimum clearance
between them? - ANS-36 inches
second ground PI lighting then speedy shuts off, why? - ANS-X1 four-6 * Sheet 2 print 730 *
A 300 ohm resistor burns out, however you dont have every other one. How can you're
making one? - ANS-2- 600 ohms resistors in parallel is 300 ohms. Resistance is half of of
the best resistor in the parallel circuit. Three- 225 ohms is seventy five ohms. - 345
A 480 VAC stepdown 240 VAC transformer is attached to a three segment rectifier, what's
the output voltage? - ANS-320 VAC
3 phase complete wave= 1.33 x output voltage. - 715
A seventy five ohm resistor has blown, no alternative, how do you repair it? - ANS-three -
225 ohms in parallel . Three- 25 ohm resistors in collection.
A vehicle is loaded with one hundred twenty five% and sinks, why? - ANS-Slipping via the
brake
A vehicle journeying inside the hoistway continually stops at the equal spot and blows a
fuse. What reasons this? - ANS-touring cable has a reduce/uncovered twine or a quick - 515
A car weighs 2500lbs with a potential of 2500lbs, The CWT is weighted 40% , how tons is
the motor lifting whilst the automobile is fully loaded? - ANS-2500 (CAR) + 1000 ( 40%)=
3500lbs
5000-3500= 1500lbs lifted by means of the device - 240
A contractor desires to boost the auto speed from 100 fpm to one hundred twenty five fpm, it
currently has a 12" sheave. What is required? - ANS-a hundred fpm/one hundred twenty five
fpm= 12"/ X =15
A client does no longer need an escape hatch on a residential elevator, under what condition
is that this criminal? - ANS-Manual operation should be provided - 840
A CWT body weighs 10,000 lbs and desires to be multiplied by way of 5%. What is the new
weight of the body? - ANS-10,500 lbs
A DC door motor provided from a 3 segment rectifier runs slow. The DC voltage that is
commonly 320 is 220. What should you do? - ANS-Check the fuse feeding the AC rectifier
, A dumbwaiter is 9 sqft in vicinity, 4 feet in peak, and capability is 13.9lb/ft. What is the whole
ability? - ANS-9 X 4 x 13.Nine= 500lbs Max Capacity
A pressure of five,000lbs is applied to a plunger with a place of 25 squarein. What is the
gadget strain? - ANS-Pressure= Force/ region
Area= Force/strain
5000 lbs/25 sqin= 2 hundred psi - 815
A hydro runs up with out a load but will no longer run with a complete load. What is the
issue? - ANS-The alleviation valve is set too low - 815
A Motor desires a sleeve bearing replaced, what kind of bearing do you need? -
ANS-Friction bearing AKA sleeve bearing - 420
A MOV (Metal Oxide Varistor) burns out. You update it, but can't study voltage or resistance.
What should you do? - ANS-Replace it with a bigger MOV - 630
A transferring walk has a bent of 10 tiers, what is the best angle in may be? - ANS-12 tiers
for a transferring walk
31 levels for an escalator
A vertical platform raise has a clearance of 1 inch. How much will it have to pass to satisfy
code? - ANS-Move in 1/four inch. Code is three/four in
After receiving an inspection report, one violation is door ultimate force. After checking you
read 50 lb of door force, is this code? How do you make it code compliant? - ANS-Not code.
Code is < 30 lb. To fix you need to modify the torque/velocity of door operator
As a mechanic you are despatched to install an escalator, what factor of reference could you
operate to rectangular the unit? - ANS-Column line
At what distance from closed does the gate transfer function? - ANS-2 inches - 515
At what velocity ought to the governor transfer contact be set to open? - ANS-Electrical 90%
of tripping velocity for 150-500 fpm / ninety five% of 500 + fpm
Before you can pass a piston on a hydro, what precautions have to be taken? - ANS-Check
the piston for debris and tightness of the top, make certain pit is apparent
Car doors are dragging within the sill, how high ought to the automobile doors be above the
sill? - ANS-1/four inch - 525
Car is running usually, but the Fire Service buzzer will no longer shut off, Why? - ANS-EHP
three-2 shorted *Sheet 2 730 prints*
Car weighs 7,000 lbs with a capability of three,500 lbs. What does the CWT weight? -
ANS-three,500 lbsx 40%= 1400 lbs 7000 lbs + 1400 lbs= 8400 lbs
1 gallon equals how many cubic ft? - ANS-231 -815
2 controllers in a small system room face each other, what is the minimum clearance
between them? - ANS-36 inches
second ground PI lighting then speedy shuts off, why? - ANS-X1 four-6 * Sheet 2 print 730 *
A 300 ohm resistor burns out, however you dont have every other one. How can you're
making one? - ANS-2- 600 ohms resistors in parallel is 300 ohms. Resistance is half of of
the best resistor in the parallel circuit. Three- 225 ohms is seventy five ohms. - 345
A 480 VAC stepdown 240 VAC transformer is attached to a three segment rectifier, what's
the output voltage? - ANS-320 VAC
3 phase complete wave= 1.33 x output voltage. - 715
A seventy five ohm resistor has blown, no alternative, how do you repair it? - ANS-three -
225 ohms in parallel . Three- 25 ohm resistors in collection.
A vehicle is loaded with one hundred twenty five% and sinks, why? - ANS-Slipping via the
brake
A vehicle journeying inside the hoistway continually stops at the equal spot and blows a
fuse. What reasons this? - ANS-touring cable has a reduce/uncovered twine or a quick - 515
A car weighs 2500lbs with a potential of 2500lbs, The CWT is weighted 40% , how tons is
the motor lifting whilst the automobile is fully loaded? - ANS-2500 (CAR) + 1000 ( 40%)=
3500lbs
5000-3500= 1500lbs lifted by means of the device - 240
A contractor desires to boost the auto speed from 100 fpm to one hundred twenty five fpm, it
currently has a 12" sheave. What is required? - ANS-a hundred fpm/one hundred twenty five
fpm= 12"/ X =15
A client does no longer need an escape hatch on a residential elevator, under what condition
is that this criminal? - ANS-Manual operation should be provided - 840
A CWT body weighs 10,000 lbs and desires to be multiplied by way of 5%. What is the new
weight of the body? - ANS-10,500 lbs
A DC door motor provided from a 3 segment rectifier runs slow. The DC voltage that is
commonly 320 is 220. What should you do? - ANS-Check the fuse feeding the AC rectifier
, A dumbwaiter is 9 sqft in vicinity, 4 feet in peak, and capability is 13.9lb/ft. What is the whole
ability? - ANS-9 X 4 x 13.Nine= 500lbs Max Capacity
A pressure of five,000lbs is applied to a plunger with a place of 25 squarein. What is the
gadget strain? - ANS-Pressure= Force/ region
Area= Force/strain
5000 lbs/25 sqin= 2 hundred psi - 815
A hydro runs up with out a load but will no longer run with a complete load. What is the
issue? - ANS-The alleviation valve is set too low - 815
A Motor desires a sleeve bearing replaced, what kind of bearing do you need? -
ANS-Friction bearing AKA sleeve bearing - 420
A MOV (Metal Oxide Varistor) burns out. You update it, but can't study voltage or resistance.
What should you do? - ANS-Replace it with a bigger MOV - 630
A transferring walk has a bent of 10 tiers, what is the best angle in may be? - ANS-12 tiers
for a transferring walk
31 levels for an escalator
A vertical platform raise has a clearance of 1 inch. How much will it have to pass to satisfy
code? - ANS-Move in 1/four inch. Code is three/four in
After receiving an inspection report, one violation is door ultimate force. After checking you
read 50 lb of door force, is this code? How do you make it code compliant? - ANS-Not code.
Code is < 30 lb. To fix you need to modify the torque/velocity of door operator
As a mechanic you are despatched to install an escalator, what factor of reference could you
operate to rectangular the unit? - ANS-Column line
At what distance from closed does the gate transfer function? - ANS-2 inches - 515
At what velocity ought to the governor transfer contact be set to open? - ANS-Electrical 90%
of tripping velocity for 150-500 fpm / ninety five% of 500 + fpm
Before you can pass a piston on a hydro, what precautions have to be taken? - ANS-Check
the piston for debris and tightness of the top, make certain pit is apparent
Car doors are dragging within the sill, how high ought to the automobile doors be above the
sill? - ANS-1/four inch - 525
Car is running usually, but the Fire Service buzzer will no longer shut off, Why? - ANS-EHP
three-2 shorted *Sheet 2 730 prints*
Car weighs 7,000 lbs with a capability of three,500 lbs. What does the CWT weight? -
ANS-three,500 lbsx 40%= 1400 lbs 7000 lbs + 1400 lbs= 8400 lbs
