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NCCCO Core Exam Prep (2023/ 2024 Update) Questions and 100% Correct Verified Answers| Grade A
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NCCCO Core Exam Prep (2023/ 2024 Update) Questions and 100% Correct Verified Answers| Grade A
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NCCCO Core Exam Prep (2023/ 2024 Update) Questionsand 100% Correct Verified Answers| Grade A
Which of the following is an accurate statement about luffing jibs? - ANSWER It
raises and lowers independent from the boom
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
Where should the boom be positioned when beginning a lift? - ANSWER Directly
over the center of gravity of the load
A crane should always be barricaded within? - 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. -
ANSWER Periodic
Slings should always be marked with a capacity rate in tag. - ANSWER True
The wire rope clip on a wedge socket Should always attached to the _______
Of the Crane. - ANSWER Dead end
It is possible for a crane to be overloaded with no signs of tipping. - ANSWER True
In rotation resistant ropes if you have ______ broken wires and six rope diameter or
_______ broken wires and 30 rope diameters, the rope must be removed from
service. - ANSWER 2,4
In order to operate a mobile crane on a barge, you must have - ANSWER List and
trim capacity chart
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