MECHANICS EXAM NEIEP (2024/2025) QUESTIONS WITH VERIFIED CORRECT ANSWERS ||
100% GUARANTEED PASS UPDATED
** 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)
** 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)
*What is the definition of Working Pressure? - answer✔Full Load Up pressure
* What is the conversion from Kilograms to Lbs? - answer✔1 Kilogram = 2.2 lbs
Ohms Law - answer✔
Circuit Symbol - Type of Gate - Logic Characteristics - answer✔
Rules for Series Circuits - answer✔
,Rules for Parallel Circuits - answer✔
AC Sine wave Frequency and Period - answer✔
AC Sine Wave "Effective Value" - answer✔
AC Sine Wave "Average Value" - answer✔
AC Sine Wave "Peak Voltages and Currents" - answer✔
Mechanical and Electrical Degrees - answer✔
Ohms Law for AC "Phasing" - answer✔
* When are comp ropes (instead of comp chains) required? - answer✔700 FPM
** What diameter cable can be used as a handrail? - answer✔1/4" steel cable
3 phase rectifier Output? - answer✔1.33 x Input
Single phase rectifier Output? - answer✔0.9 x Input
Rated speed? - answer✔Full speed no load
, * Time constant question on test? - answer✔45 seconds
** How much weight to add to cwt question on test? - answer✔11 plates
** Inverting OpAmp - answer✔Analog Inverting
SCR - answer✔Forward Biased
** Sparking on generator? - answer✔High Mica
** Dumbwaiter takes off while loading, why? - answer✔Non-Interference not working
** What can AC generator Interpoles reduce? - answer✔Armature Reaction
** 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)
400 psi x 150% = 600 psi
** A contractor wants to raise the car speed from 100 FPM to 125 FPM. It currently has a 12"
sheave. What size sheave is required? - answer✔15"
(125 /100 = 1.25 1.25 x 12 = 15)
100% GUARANTEED PASS UPDATED
** 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)
** 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)
*What is the definition of Working Pressure? - answer✔Full Load Up pressure
* What is the conversion from Kilograms to Lbs? - answer✔1 Kilogram = 2.2 lbs
Ohms Law - answer✔
Circuit Symbol - Type of Gate - Logic Characteristics - answer✔
Rules for Series Circuits - answer✔
,Rules for Parallel Circuits - answer✔
AC Sine wave Frequency and Period - answer✔
AC Sine Wave "Effective Value" - answer✔
AC Sine Wave "Average Value" - answer✔
AC Sine Wave "Peak Voltages and Currents" - answer✔
Mechanical and Electrical Degrees - answer✔
Ohms Law for AC "Phasing" - answer✔
* When are comp ropes (instead of comp chains) required? - answer✔700 FPM
** What diameter cable can be used as a handrail? - answer✔1/4" steel cable
3 phase rectifier Output? - answer✔1.33 x Input
Single phase rectifier Output? - answer✔0.9 x Input
Rated speed? - answer✔Full speed no load
, * Time constant question on test? - answer✔45 seconds
** How much weight to add to cwt question on test? - answer✔11 plates
** Inverting OpAmp - answer✔Analog Inverting
SCR - answer✔Forward Biased
** Sparking on generator? - answer✔High Mica
** Dumbwaiter takes off while loading, why? - answer✔Non-Interference not working
** What can AC generator Interpoles reduce? - answer✔Armature Reaction
** 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)
400 psi x 150% = 600 psi
** A contractor wants to raise the car speed from 100 FPM to 125 FPM. It currently has a 12"
sheave. What size sheave is required? - answer✔15"
(125 /100 = 1.25 1.25 x 12 = 15)
