Questions and Answers
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.
, NEIEP 200 Final Review Exam 100% Correct
Questions and Answers
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.
b. Fasten the hoist to a beam or other building structure.
c. To interrupt hoisting ease off on the pulling rope
When choosing planks for hoisting, what must be considered? - ANSWER--Use
only scaffold grade lumber