NEIEP Mechanics Exam/ 165 Questions with
Certified Solutions
** An MOV burns out, you replace it but cannot read voltage or resistance. What
should you do? - Answer: Replace it with a larger one (630)
* On a Ward-Leonard circuit, the brake is set but the motor is trying to slip
through the brake. What circuit is the issue? - Answer: Suicide circuit (425)
** A Hydro runs up with no load but does not run up with a full load. What is the
issue? - Answer: The relief valve is set too low (805)
** What is the effect when you change a sling angle from 60* to 30* when
hoisting and rigging? - Answer: More tension, less capacity.
Page 1 of 20
,** How many points of contact must be maintained on a ladder? - Answer: 3
points at all time.
* What is the conversion formula when measuring Inch to MM? - Answer: 25.4
Inch to MM (.03937)
2.54 Inch to CM (.3937)
** You open a Dumbwaiter access panel and it still runs. What is the cause? -
Answer: Pit Access switch is not working. (550)
** You perform a static load test with the pit valve in the closed position. The car
sinks 6" in 15 minutes. What is the cause? - Answer: Cylinder leak (520)
** Where should you point the fire extinguisher when putting out a fire? -
Answer: At the base of the fire
** A car with a "Selective Collective" controller is moving to the lobby to pick up a
call. An up call is put in at the second floor. What happens? - Answer: Call is
bypassed till the car is moving in the up direction.
** During construction, you land an escalator but it is 10mm to low. What is
wrong? - Answer: Pit is too deep or Column Mark is off. (825)
** During construction, the Omega CWT rails have been damaged. Why? -
Answer: Overtightened from rail bracket. (215)
Page 2 of 20
, ** How do you attach brackets to brick/concrete blocks? - Answer: "Inserts" 1/4"
back from brick/concrete blocks
** Given a generator that runs at 600 rpm and has 4 Poles, what is the output
frequency? - Answer: 600/60seconds = 10x2 = 20 HZ
** If an Exclusive OR gate was connected to a NOR gate and attached to a AND
gate with a high out put, what must the input at the Exclusive OR gate A and B be?
- Answer: Both must be high
** Runby for a 1:1 car hits the CWT buffer 4" below the top landing. The CWT
runby should be set at 18". How much should the ropes be shortened? - Answer:
22" for 1:1.
For a 2:1 with the same issue is 44".
** You need to work on a freight door retiring cam. You LOTO the mainline
disconnect but there is still power to the cam. What circuit is still hot? - Answer:
Mainline disconnect (535)
** The contractor requests that the vertical center of the Rack and Pinion hoist be
moved. How is this accomplished? - Answer: Adjust Tie downs/Wall ties (805)
** Working pressure on a Hydro is 400 PSI. What is the correct Relief Valve
Setting? - Answer: 600 PSI Max. (805)
Page 3 of 20
Certified Solutions
** An MOV burns out, you replace it but cannot read voltage or resistance. What
should you do? - Answer: Replace it with a larger one (630)
* On a Ward-Leonard circuit, the brake is set but the motor is trying to slip
through the brake. What circuit is the issue? - Answer: Suicide circuit (425)
** A Hydro runs up with no load but does not run up with a full load. What is the
issue? - Answer: The relief valve is set too low (805)
** What is the effect when you change a sling angle from 60* to 30* when
hoisting and rigging? - Answer: More tension, less capacity.
Page 1 of 20
,** How many points of contact must be maintained on a ladder? - Answer: 3
points at all time.
* What is the conversion formula when measuring Inch to MM? - Answer: 25.4
Inch to MM (.03937)
2.54 Inch to CM (.3937)
** You open a Dumbwaiter access panel and it still runs. What is the cause? -
Answer: Pit Access switch is not working. (550)
** You perform a static load test with the pit valve in the closed position. The car
sinks 6" in 15 minutes. What is the cause? - Answer: Cylinder leak (520)
** Where should you point the fire extinguisher when putting out a fire? -
Answer: At the base of the fire
** A car with a "Selective Collective" controller is moving to the lobby to pick up a
call. An up call is put in at the second floor. What happens? - Answer: Call is
bypassed till the car is moving in the up direction.
** During construction, you land an escalator but it is 10mm to low. What is
wrong? - Answer: Pit is too deep or Column Mark is off. (825)
** During construction, the Omega CWT rails have been damaged. Why? -
Answer: Overtightened from rail bracket. (215)
Page 2 of 20
, ** How do you attach brackets to brick/concrete blocks? - Answer: "Inserts" 1/4"
back from brick/concrete blocks
** Given a generator that runs at 600 rpm and has 4 Poles, what is the output
frequency? - Answer: 600/60seconds = 10x2 = 20 HZ
** If an Exclusive OR gate was connected to a NOR gate and attached to a AND
gate with a high out put, what must the input at the Exclusive OR gate A and B be?
- Answer: Both must be high
** Runby for a 1:1 car hits the CWT buffer 4" below the top landing. The CWT
runby should be set at 18". How much should the ropes be shortened? - Answer:
22" for 1:1.
For a 2:1 with the same issue is 44".
** You need to work on a freight door retiring cam. You LOTO the mainline
disconnect but there is still power to the cam. What circuit is still hot? - Answer:
Mainline disconnect (535)
** The contractor requests that the vertical center of the Rack and Pinion hoist be
moved. How is this accomplished? - Answer: Adjust Tie downs/Wall ties (805)
** Working pressure on a Hydro is 400 PSI. What is the correct Relief Valve
Setting? - Answer: 600 PSI Max. (805)
Page 3 of 20
