Exam Questions And Correct Answers (Verified
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Elevator 245-250
How much of the dead end of the rope should be left after
feeding the rope into
the shackle? - ANSWER-At least 6-9 inches above
the socket
Who many retaining clips should be installed above the shackle
after the rope is installed? - ANSWER-At least 2 the 1st should
be placed 4 times the diameter of the rope the 2nd 8 times the
diameter of the rope
Which end of a wedge shackle should the live end of a rope
be placed? -
ANSWER-Towards the rod end of the
shackle
What should all shackles have on the rod end of the shackle?
- ANSWER-Be
,double nutted and have a cotter key for
each shackle
What is meant by seizing wire ropes? - ANSWER-To tie off the
end of the wire
rope with wire before cutting it from the reel. This prevents
the rope from
unravelling
What is the proper way to unreel wire rope from the spool?
- ANSWER-By
placing it between 2 stands on a piece of pipe and unrolling it
from the bottom
What is the benefit of using carbon fiber ropes and where are
they used? - ANSWER-They are lighter which requires less
energy to use and are used in high rise buildings
What is a concern to be aware of during unreeling ropes? -
ANSWER-To not
allow to much slack or kinks to form; and to prevent
bends/ twist
What are the requirements for safety ropes? - ANSWER-No less
than 9.5mm/ 0.375 in diameter mad of metal corrosion resistant;
, provide a safety factor of at least 5, tiller ropes are not
authorized
How much excess should be left after the comp chains are
connected to the
car? - ANSWER-
6 ft
Once the compensating ropes are installed what must be done?
– ANSWER-Run the car to the center of the rise to verify equal
tension at the bottom of the counterweight fame
How are comp chains connected to the counterweight? -
ANSWER-By s hooks
When working with belts how much of the dead end should be
left after feeding
through the shackle? - ANSWER-At least 18-36 inches with
the load carrying
side lined up with the
shackle rod
If tie downs are used when should they be installed? -
ANSWER-Immediately