NEIEP 200 Final Review Which lay of wire rope has the strand wires in line with the rope axis? - ANSWER Regular Lay At what speed should the counterweight safeties be set to trip? - ANSWER Up to 10% higher than the car governor Which type of safety uses an oil buffer between the car and safety planks? - ANSWER Type C What is the purpose of the terminal motion switch? - ANSWER 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? - ANSWER 5100 lbs.When the pit directional limit switch is actuated, the normal circuits will allow the car to run - ANSWER Up 1 / 2
_______should not be disassembled in the field. - ANSWER Oil Buffers The loss of traction between the hoist ropes and the machine driver when the counterweight lands on its buffer avoids... - ANSWER 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? - ANSWER 52,000 lbs.Which of the following applies to rope usage? - ANSWER Prevent manila rope from unraveling by using whipping.What does the designation 3/8" 6 X 30 improved plow steel mean? - ANSWER 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? - ANSWER 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? - ANSWER With the platform on edge, handle it from the ends and move on rollers.Which of the following statements is true concerning capstans? - ANSWER Both b, and c.
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