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Lattice Boom Crane Questions with correct answers
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Lattice Boom Crane Questions with correct answers
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Lattice Boom Crane Questions with correct answersWhat type of wire rope must not be used for the boom hoist on a crane?
Correct Answer-Rotational resistant
What must be Permanently affixed to the crane and be visible to the
operator while at the control station? Correct Answer-Crane capacity
chart
What will happen to the load of you extend the boom, and lower the
load? Correct Answer-It will move away from the crane
What is the hand signal that has both fists in front of the body with
thumbs pointing out? Correct Answer-Extend the Boom
Before starting adjustments or repairs on a crane, what action must be
taken? Correct Answer-Render the starting means inoperative
The hoist cable of the crane comes into contact with an energized power
line. There's no signal of any danger. In this situation you should:
Correct Answer-Stay in the cab until the lines are De-energized
The operator must know basic_____ principles and ensure that they are
applied. Correct Answer-Rigging
An operator must understand crane functions, ______ and operating
characteristics. Correct Answer-Limititations
, Where can an operator get information to determine how to erect the jib?
Correct Answer-Operators manual
It is safe to operate a crane when the Danger of lightning is present.
Correct Answer-False
When performing a "Pick and carry" lifting operation, the load should
be_____ to the carrier,and as______ the ground as possible. Correct
Answer-Secured,low too
How do
You calculate the capacity of a crane Correct Answer-Subtract the
capacity deductions from the cranes gross capacity.
What happens to a load when it is hoisted and the hook is not centered
over the center of gravity of the load? Correct Answer-The load will
raise and could cause side loading on the boom
What is the most common cause of death to riggers? Correct Answer-
Electrocution
What is the standard hand signal to hoist the load? Correct Answer-
Forearm vertical, finger pointing up and rotating in a circle
A sudden start or stop will produce a: Correct Answer-Shock load
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