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NCCCO Core Practice Exam ( / Update) Questions and 100% Correct Verified Answers| Grade A
Q: From which two points should the boom be measured?
Answer:
From the boom hinge pins to the center of the boom tip sheave
Q: What is the preferred method of installing wire rope from a reel onto a hoist drum?
Answer:
The rope runs from the top of the reel to the top of the drum
Q: Over which quadrant are truck crane capacities usually greater?
Answer:
Over the rear.
Q: According to OSHA, which accessible area of an operating crane must always be barricaded?
Answer:
The swing radius of the rear of the rotating superstructure
Q: What is the OSHA regulation governing cranes in construction?
Answer:
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1926.1400 1 / 3
Q: Under which circumstance is a crack in the windshield of a crane cab okay?
Answer:
As long as it causes no visible distortion that would interfere with safe operations
Q: Under which circumstance does OSHA permits hoisting of personnel by crane?
Answer:
As long as there is no less hazardous or practicable way
Q: Unless the manufacturer states otherwise, what crane capacity chart is appropriate when a crane is set up with 3 of its 4 outriggers extended and the fourth is retracted?
Answer:
On-rubber chart
Q: According to OSHA, while hoisting personnel, the total load must not exceed what percentage of the crane's rated capacity?"
Answer:
50%
Q: When is side loading of crane booms permitted?
Answer:
Only with freely suspended loads
Q: What is indicated if an operator makes two audible signals when moving a crane?
Answer: 2 / 3
He/she intends to go ahead
Q: When may blocking (cribbing) be placed under outrigger beams?
Answer:
Never
Q: What is the result of placing timber blocking under the tips of the tracks on a crawler crane?
Answer:
Makes the crane more stable
Q: According to ASME, what percentage of the manufacturer's crane rating must not be exceeded if a load test is done on a repaired crane?
Answer:
110%
Q: Where is the tipping axis of a crawler crane located?
Answer:
It depends if the idler or sprocket are in line or offset from the track rollers
Q: What should be done with materials placed under overhead energized power lines?
Answer:
Not be lifted by crane
Q: Where should the crane's outrigger pads or tracks be placed when working at ground floor level near a cellar wall?
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