NEIEP 200 Final Review Exam fully solved
NEIEP 200 Final Review Exam fully solved 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. Refer to Table 1. With a safety factor of 5, what is the breaking strength for 1 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 Crosb
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- Subido en
- 1 de marzo de 2024
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- 7
- Escrito en
- 2023/2024
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- Examen
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- Preguntas y respuestas