Questions and Answers | A+ Score
Assured
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
_______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?