a crane is needed to hoist controllers on to the
roof. who is responsible for making the lift plan?
Correct Answers lift director
a mechanic attaches a chainfall to a hoisting beam
with a beam clamp. what happens to the capacity
of the hoisting beam? Correct Answers it is
reduced to 50% of original capacity
after installing machine beams you must attach
beams to carry the 2:1 dead end hitch plates.
which of the following beam types is best suited for
this application Correct Answers channel beams
after installing the comp ropes, where should the
car be positioned to check rope tension Correct
Answers top of the hoistway
after installing the compensating sheave, you
prepare to attach the comp ropes. where will the
ropes attach Correct Answers under the car
after surveying the hoistway, you are directed to
pull the lines. what will be affected? Correct
Answers the positions of the rails
bbg stands for... Correct Answers back to back
guide distance
,before beginning work each day, which of the
following safety precautions must be performed
Correct Answers test safeties
during elevator install you need to rig equipment to
the top of the building. what info must be included
in the lift plan? Correct Answers capacity of
rigging material
for a 5 year safeties test on a car rated 4000lb,
how much weight is needed Correct Answers
4000lbs
for a broken rope type safety- after slackening the
hoist ropes, when do the safeties engage the rail
Correct Answers immediately
how much does a 16', 15lb rail weigh? Correct
Answers 240lbs
new shackles are installed. how should the dead
end be secured? Correct Answers retainer clips
the crane operator is awaiting you signals to lift a
pallet of parts. what are the correct audible signals
to raise the load 20 feet? Correct Answers hoist,
hoist up, 20,15,10,1, hoist stop
, the drive sheave on a geared traction machine you
have installed uses non metallic groove inserts.
what advantage do these inserts provide over
standard metal v groove and u groove drive
sheave types? Correct Answers coefficient of
friction is more constant
the elevator you are working on is counterbalanced
at 40% and the total car weight is 3000lb. the
capacity load is 2500lb. you must load the
counterweight frame. what should the total weight
of the frame be Correct Answers 4000lbs
the hoistway is out of plumb. what may correct the
issue Correct Answers pull the lines
the rated load tag on a sling is 2000lbs. what does
this mean? Correct Answers load limit that can be
picked and held
there could be unapparent wear in the slings you
must use for hoisting. what sling rating take this
into account? Correct Answers rated load
what are 3 distinct parts of the construction of
steel hoist ropes Correct Answers wire, strand,
core