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NCCCO Mobile Crane Exam ( / ) Questions and 100% Correct Verified Answers| Grade A
Q: In which quadrant are rough terrain crane capacities generally greater?
- Over the front
- Over the rear
- Over the right side
- Over the left side
Answer:
a.
Q: According to federal requirements, under what conditions is it okay for a person to ride the headache ball?
- When there is no other way to gain access
- When the lift has been approved by an engineer
- When other means would be more dangerous
- It is never okay
Answer:
d.
Q: By what percentage do most manufacturers require a crane's load chart capacity to be reduced by for duty cycle operations such as high-volume concrete placement?
- 10%.
- 15%.
- 20%.
- 30%.
Answer:
c.
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Q: From which two points should the boom be measured?
- From the base of the boom to the center of the boom tip sheave
- From the boom hinge pins to the boom tip
- From the boom hinge pins to the center of the boom tip sheaved. d. From the base of the boom
to the boom tip
Answer:
c.
Q: What is the preferred method of installing wire rope from a reel onto a hoist drum?
- The rope runs from the top of the reel to the bottom of the drum
- The rope runs from the bottom of the reel to the top of the drum
- The rope runs from the top of the reel to the top of the drum
- There is no preferred method
Answer:
c.
Q: Over which quadrant are truck crane capacities usually greater?
- Over the front.
- Over the rear.
- Over the front right outrigger.
- Over the side.
Answer:
b.
Q: According to OSHA, which accessible area of an operating crane must always be barricaded?
- The swing radius of the crane
- The carbody or chassis
- The swing radius of the rear of the rotating superstructure
- The distance between the car body or chassis and the boom tip
Answer: 2 / 3
c.
Q: What is the OSHA regulation governing cranes in construction?
- 1910.180
- 1926.1400
- 1926.556
- 1910.184
Answer:
b.
Q: Under which circumstance is a crack in the windshield of a crane cab okay?
- As long as it causes no visible distortion that would interfere with safe operations
- As long as it is less than 6 inches long
- As long as the windshield is replaced on the next annual inspection d. It is never okay
Answer:
a.
Q: Under which circumstance does OSHA permits hoisting of personnel by crane?
- As long as the prevailing wind speed is less than 35 mph
- As long as there is no less hazardous or practicable way
- As long as all personnel have CPR training
- As long as no aerial work platform is available
Answer:
b.
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?
- On-outrigger chart
- On-rubber chart
- On-outrigger chart minus 20%
- On-rubber chart plus 20%
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