Exam Questions and CORRECT Answers
Which of the following is an accurate statement about luffing jibs? - CORRECT
ANSWER - It raises and lowers independent from the boom
What is the weakest quadrant of a boom truck? - CORRECT ANSWER - Front
What effect would blocking up the ends of the tracks have on a crane? - CORRECT
ANSWER - It would increase capacity over the ends
The tipping axis of a crawler crane is? - CORRECT 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? - CORRECT ANSWER - 100%
From strongest to weakest put the following hitches in order - CORRECT ANSWER -
Basket, vertical, choker
Which of the following should synthetic slings not be used around? - CORRECT
ANSWER - Acid
How often should you inspect a running rope? - CORRECT ANSWER - Daily
The radius on a crane chart refers to? - CORRECT 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? -
CORRECT ANSWER - 85%
,What percentage is the manufacture rated capacity of a rough terrain crane on rubber? -
CORRECT ANSWER - 75%
What is Lay length? - CORRECT ANSWER - The distance required for a strand to make a
complete revolution around the rope
What is one problem lubricating wire rope can cause? - CORRECT ANSWER -
Obstructed view when inspecting the rope
What would What would call for a running rope to be taken out of service? - CORRECT
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? - CORRECT ANSWER - Pendant line
If you are at a radius below the bold line on a load chart, which does that mean? - CORRECT
ANSWER - Tipping, stability
To lift personnel, he must have an anti-two block on the crane? - CORRECT ANSWER -
True
The personal platform must be proof tested to _________ Of the platforms rated capacity -
CORRECT ANSWER - 125%
The crane must be D rated ______ To lift personnel - CORRECT ANSWER - 50%
When lifting personnel, how should the rigging be a attached to the hook? - CORRECT
ANSWER - With master link
, When using wire rope slings, the eye of the slings shall have? - CORRECT ANSWER -
Thimbles
The crane operator should respond to the stop signal from anyone - CORRECT
ANSWER - True
On a rough terrain crane what is the strongest quadrant? - CORRECT ANSWER - Front
If an operator does not boom up to allow for a boom deflection, the load will? - CORRECT
ANSWER - Move away from the Crane
Where should the boom be positioned when beginning a lift? - CORRECT ANSWER -
Directly over the center of gravity of the load
A crane should always be barricaded within? - CORRECT ANSWER - The swing radius
of the rear of the rotation superstructure counterweight
The crane must have a ______ inspection performed both monthly and yearly. This information
must be documented by the employer that conducts the inspection. - CORRECT
ANSWER - Periodic
Slings should always be marked with a capacity rate in tag. - CORRECT ANSWER - True
The wire rope clip on a wedge socket Should always attached to the _______
Of the Crane. - CORRECT ANSWER - Dead end
It is possible for a crane to be overloaded with no signs of tipping. - CORRECT
ANSWER - True