Test Bank – NEIEP Mechanics Exam | Questions & Answers for Exam Preparation

Mechanics Exam-NEiEP questions and answers

1. A contractor wants to raise the car speed from 100 fpm to 125 fpm, it
currently has a 12" sheave. What is required?: 100 fpm/125 fpm= 12"/ X =15
2. A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read
voltage or resistance. What should you do?: Replace it with a larger MOV -
630
3. On a Ward-Leonard circuit the brake is set, but the motor is trying to
slip through the brake. What is the issue?: Suicide Circuit - 425
4. You have an old DC motor and are adding an SCR drive, what do you
do to the interpoles?: 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
5. A hydro runs up with no load but will not run with a full load. What
is the issue?: The relief valve is set too low - 815
6. 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?: 22" -
235
7. 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?: Door
Operator disconnect -535
8. The contractor requests that the vertical center of a Rack and Pinion
hoist be moved. How do you do this?: Adjust tie downs and wall ties - 850
9. Working pressure on a Hydro is 400 PSI. What is the maximum relief
valve setting?: 400 x 150%= 600 PSI - 815
10. What must be installed on a false care before operation?: Spring Loaded
safeties - 110
11. There is slight arcing between the brush and commutator. What action
must be taken?: None
Note: Heavy arcing= light brush pressure, Heavy brush pressure= mechanical wear
12. If rigging is roped 3:1 and a BEAM CLAMP is used to lift a 6,000lb load.
What is the beam capacity?: 18,000lbs -210
13. How much resistance is measured over a normally closed switch?: .2
Ohms- should be zero but will never be that low
14. A car traveling in the hoistway always stops at the same spot and
blows a fuse. What causes this?: traveling cable has a cut/exposed wire or
a short - 515


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15. 15. How is a class 1 yearly buffer test preformed?: 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
16. How many strain supports are required on a 350 ft raceway?: 4
1 every 100ft - 505-510
17. How is stainless steel drilled out?: Slow speed and constant pressure - 205
18 What is the required amout of retainer clips for wedge shackles and what
is the spacing?: 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
19. A 300 ohm resistor burns out, but you dont have another one. How can
you make one?: 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
20. When cutting laminated panels, which direction should the finish side
face?: Finish side facing the cutting edge of the tool. Blade will burr the backside. -
225
21. How do you cut a finished floor?: Cutting blade away from the finished
side - 255
22. A 480 VAC stepdown 240 VAC transformer is connected to a 3 phase
rectifier, what is the output voltage?: 320 VAC 3 phase full wave= 1.33 x output
voltage. - 715

23. A car is loaded with 125% and sinks, why?: Slipping through the brake
24. IF you find a broken or missing barricade what should you do?: Write up
a formal inspection request
25. What are the consequences of misaligned joints on a rack and pinion?:
Broken gear teeth. CWT derailment. Excessive wear/crease the surface of
the tube.
- 850
26. A dumbwaiter is 9 sqft in area, 4 ft in height, and capacity is 13.9lb/ft.
What is the total capacity?: 9 X 4 x 13.9= 500lbs Max Capacity
27. You must enter a pit with a toxic atmosphere, how do you proceed?:
Follow proper OSHA procedure with proper training and PPE - 133



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28. When changing a 1:1 car rated at 600fpm and 2,000lb capacity to a 2:1, what X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3




are the new ratings?: 300 fpm with 4000lbs capacity. Half the speed and double t
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he capacity. X3




29. A vertical platform lift has a clearance of 1 inch. How much will it have to mo
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ve to meet code?: Move in 1/4 inch. Code is 3/4 inX3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3




30. A car weighs 2500lbs with a capacity of 2500lbs, The CWT is weighted 40%
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, how much is the motor lifting when the car is fully loaded?: 2500 (CAR) + 10
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00 ( 40%)= 3500lbs X3 X3 X3




5000-3500= 1500lbs lifted by the machine - 240 X3 X3 X3 X3 X3 X3 X3




31. How must Oxygen and Acetylene tanks be stored?: Vertically, 12 feet apart, or
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on a cart with a ½ hour fire barrier between them
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32. What is code for sill to sill distance?: Minimum- 1/2 in Maximum- 1-1/2 in -
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525
33 When drilling a jack hole in sandy conditions what type of drill rig is req
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uired?:

Rotary or Auger bit X3 X3 X3




Note: Rotary=soft X3




Percussion= rocky X3




Combo= solid - 810 X3 X3 X3




34. A customer does not want an escape hatch on a residential elevator, un
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der what condition is this legal?: Manual operation must be provided - 840
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35. Your helper wired the down direction and final limit switches, now the ca X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3




r will only travel up, what is the issue?: The down direction limit was wired incorr
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ectly
36. What are the effects of one rope sitting deeper in the sheave groove?: Th X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3




e rope wears out and the breaks faster - 245
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37. There is a noise coming from a freight door. The sheave is moving, but the X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3




chain is not. What is the problem?: Oil on the drive chain - 535
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38. What is the effect when you change a sling angle from 60 degrees to 30 de X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3




grees?: More tension, less capacity. Any angle 30 degrees or less is dangerous -
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100
X3




39. How many points of contact must be maintained on a ladder? How far abo X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3




ve the landing must it extend? What is the proper ratio? What steps dont we use
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?: 3 points of contact X3 X3 X3 X3




3 feet above the landing
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