NEIEP 200 Final Exam Review:
Questions & Answers
Which lay of wire rope has the strand wires in line with the rope axis?(Ans- Regular Lay
At what speed should the counterweight safeties be set to trip?(Ans- Up to 10% higher than the car governor
Which type of safety uses an oil buffer between the car and safety planks?(Ans- Type C
What is the purpose of the terminal motion switch?(Ans- slow down and stop the car automatically at or near the top or bottom landing
If you have a 3500 lb. car rated at 4000 lbs. capacity, how much should the counterweight assembly weigh for a normal 40% installation?(Ans- 5100 lbs.
When the pit directional limit switch is actuated, the normal circuits will allow the car to run (Ans- Up
_______should not be disassembled in the field.(Ans- Oil Buffers
The loss of traction between the hoist ropes and the machine driver when the counterweight lands on its buffer avoids...(Ans- The elevator car being pulled into the over head.
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Refer to Table 1. With a safety factor of 5, what is the breaking strength for
- 1/8" nylon rope?
(Ans- 52,000 lbs.
Which of the following applies to rope usage?(Ans- Prevent manila rope from unraveling by using whipping.
What does the designation 3/8" 6 X 30 improved plow steel mean?(Ans- It is a high strength cable with 6 strands composed of 30 wires per strand?
When using Crosby clips, which of the following statements is correct?(Ans- To determine the correct minimum spacing multiply the rope diameter times 6.
When handling and storing a freight platform, what do you need to keep in mind?(Ans- With the platform on edge, handle it from the ends and move on rollers.
Which of the following statements is true concerning capstans?(Ans- Both b, and c.
- Fasten the hoist to a beam or other building structure.
- To interrupt hoisting ease off on the pulling rope
When choosing planks for hoisting, what must be considered?(Ans- Use only scaffold grade lumber
The distance between the counterweight buffer strike plate and the striking surface of the counterweight buffer when the car floor is level with the top terminal landing is known as (Ans- Runby
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