2026 QUESTIONS WITH ANSWERS GRADED
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◉ What is the weakest quadrant of a boom truck? Answer: Front
◉ What effect would blocking up the ends of the tracks have on a crane?
Answer: It would increase capacity over the ends
◉ The tipping axis of a crawler crane is? Answer: It depends if the idler
or sprocket are offset from track rollers
◉ According to ASME B30.5 what percentage should not be exceeded
on a mobile crane during a load test? Answer: 100%
◉ From strongest to weakest put the following hitches in order Answer:
Basket, vertical, choker
◉ Which of the following should synthetic slings not be used around?
Answer: Acid
◉ How often should you inspect a running rope? Answer: Daily
,◉ The radius on a crane chart refers to? Answer: Center of rotation to
center of gravity of the load or hook
◉ What percentage is the manufacture rate of capacity of a mobile crane
on outriggers? Answer: 85%
◉ What percentage is the manufacture rated capacity of a rough terrain
crane on rubber? Answer: 75%
◉ What is Lay length? Answer: The distance required for a strand to
make a complete revolution around the rope
◉ What is one problem lubricating wire rope can cause? Answer:
Obstructed view when inspecting the rope
◉ What would What would call for a running rope to be taken out of
service? Answer: Six randomly distributed broken wires and one Lay or
three in one strand and one lay
◉ Which of these is known as a standing rope? Answer: Pendant line
◉ If you are at a radius below the bold line on a load chart, which does
that mean? Answer: Tipping, stability
, ◉ To lift personnel, he must have an anti-two block on the crane?
Answer: True
◉ The personal platform must be proof tested to _________ Of the
platforms rated capacity Answer: 125%
◉ The crane must be D rated ______ To lift personnel Answer: 50%
◉ When lifting personnel, how should the rigging be a attached to the
hook? Answer: With master link
◉ When using wire rope slings, the eye of the slings shall have?
Answer: Thimbles
◉ The crane operator should respond to the stop signal from anyone
Answer: True
◉ On a rough terrain crane what is the strongest quadrant? Answer:
Front
◉ If an operator does not boom up to allow for a boom deflection, the
load will? Answer: Move away from the Crane