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NCCCO OVERHEAD CRANE EXAM QUESTIONS
AND 100% CORRECT VERIFIED ANSWERS|
GRADE A
Overhead cranes with more than one hoisting unit shall have what?
ANSWER: its rated load marked on it
Correct; ASME B30.2-2.1.1 requires each hoist unit’s rated load to be marked.
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What is the purpose of the "E" (Emergency) stop on an overhead crane?
ANSWER: removes power to entire crane
Correct; the emergency stop cuts all power for safety (OSHA
1910.179).
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How often does O.S.H.A. require a written wire rope inspection?
ANSWER: once a month
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Correct; OSHA 1910.179(m)(1) requires monthly documented wire rope inspections.
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Most loads should be rigged to within how many degrees of level?
ANSWER: five
Correct; rigging within 5 degrees ensures stability and safety.
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According to ASME B30.2, what is the safety factor for rigging?
ANSWER: 5 to 1
Correct; ASME B30.2 specifies a 5:1 safety factor for wire rope
in hoisting.
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According to O.S.H.A. frequent Inspections shall be performed when?
ANSWER: daily to monthly
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Correct; OSHA 1910.179(j)(2) specifies frequent inspections from daily to monthly based on usage.
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According to ASME B30.2 a frequent inspection must be performed by a?
ANSWER: designated person
Correct; ASME B30.2-2.1.2 requires a designated person for frequent inspections.
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According to ASME B30.2, the maximum twist of the hook can't exceed?
ANSWER: 10 degrees
Correct; ASME B30.2-2.2.2 limits hook twist to 10 degrees before removal.
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When inspecting electrical contacts, what are the signs they are bad?
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ANSWER: pitted or burned
Correct; pitting or burning indicates wear or arcing damage.
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According to ASME B30.2, what type of fire extinguisher is required for overhead cranes?
ANSWER: 10BC
Correct; ASME B30.2-1.5.6 requires a 10BC extinguisher.
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Before leaving an overhead crane unattended, attached loads should be?
ANSWER: lowered to the floor
Correct; OSHA 1910.179(n)(3)(ix) requires loads to be landed.
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Before using your hand to steady any load, you should?
ANSWER: follow company policy
Correct; company safety policies dictate manual load handling.