NEIEP Mechanics Exam A&B ALL 500 QUESTIONS AND CORRECT ANSWERS LATEST UPDATE THIS YEAR NEW!!

Page 1 of 107




NEIEP Mechanics Exam A&B ALL 500 QUESTIONS

AND CORRECT ANSWERS LATEST UPDATE THIS

YEAR NEW!!
NEIEP Mechanics Exam A


QUESTION: You have an old DC motor and are adding an SCR drive, what do you do to the

interpoles? - ANSWER-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




QUESTION: A hydro runs up with no load but will not run with a full load. What is the issue? -

ANSWER-The relief valve is set too low - 815




QUESTION: 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? - ANSWER-22" - 235




QUESTION: 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? - ANSWER-Door Operator disconnect -535




1

,Page 2 of 107




QUESTION: The contractor requests that the vertical center of a Rack and Pinion hoist be

moved. How do you do this? - ANSWER-Adjust tie downs and wall ties - 850




QUESTION: Working pressure on a Hydro is 400 PSI. What is the maximum relief valve setting? -

ANSWER-400 x 150%= 600 PSI - 815


A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a 12"

sheave. What is required? - ANSWER-100 fpm/125 fpm= 12"/ X =15




QUESTION: A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or

resistance. What should you do? - ANSWER-Replace it with a larger MOV - 630




QUESTION: On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through

the brake. What is the issue? - ANSWER-Suicide Circuit - 425




QUESTION: What must be installed on a false care before operation? - ANSWER-Spring Loaded

safeties - 110


2

,Page 3 of 107




QUESTION: There is slight arcing between the brush and commutator. What action must be

taken? - ANSWER-None


Note: Heavy arcing= light brush pressure, Heavy brush pressure= mechanical wear




QUESTION: If rigging is roped 3:1 and a BEAM CLAMP is used to lift a 6,000lb load. What is the

beam capacity? - ANSWER-18,000lbs -210




QUESTION: How much resistance is measured over a normally closed switch? - ANSWER-.2

Ohms- should be zero but will never be that low




QUESTION: A car traveling in the hoistway always stops at the same spot and blows a fuse.

What causes this? - ANSWER-traveling cable has a cut/exposed wire or a short - 515




QUESTION: How is a class 1 yearly buffer test preformed? - ANSWER-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


3

, Page 4 of 107




QUESTION: How many strain supports are required on a 350 ft raceway? - ANSWER-4


1 every 100ft - 505-510




QUESTION: How is stainless steel drilled out? - ANSWER-Slow speed and constant pressure -

205




QUESTION: What is the required amout of retainer clips for wedge shackles and what is the

spacing? - ANSWER-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




QUESTION: A 300 ohm resistor burns out, but you dont have another one. How can you make

one? - ANSWER-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




QUESTION: When cutting laminated panels, which direction should the finish side face? -

ANSWER-Finish side facing the cutting edge of the tool. Blade will burr the backside. - 225



4