NCCCO Tower Crane Exam Questions and 100

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NCCCO Tower Crane Exam Questions and 100% Correct Verified ANSWERs| Grade A

• Which OSHA regulation governs suspended personnel

platforms?

• 1926.251
• 1926.1431
• 1926.1408

- ANSWER: b. 1926.1431

• According to ASME B30.3, what is the prohibited zone

distance for power lines that are 60 kV?

• 10 feet
• 15 feet
• 20 feet

- ANSWER: b. 15 feet

• According to ASME B30.3, what is the design factor for load

hoist rotation-resistant wire rope?

• 3.5 to 1
• 5 to 1
• 7 to 1

- ANSWER: b. 5 to 1

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• According to ASME B30.3, when lifting a suspended

personnel platform, what is the design factor for the rigging hardware?

• 5 to 1
• 7 to 1
• 10 to 1

- ANSWER: a. 5 to 1

• According to ASME B30.3, what is the design factor for load

hoist ropes that are not rotation-resistant?

• 3.5 to 1
• 5 to 1
• 7 to 1

- ANSWER: b. 5 to 1

• What is the OSHA construction standard for rigging

equipment?

• 1926.1431
• 1926.251
• 1926.550

- ANSWER: b. 1926.251

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• According to ASME B30.3, on whose recommendations

should a preventative maintenance program be set up?

• Crane operator
• Crane manufacturer
• Site supervisor

- ANSWER: b. Crane manufacturer

• When using cable or nylon spreaders, what is important to

remember about the spreader angle?

• Lowering the spreader angle reduces tension
• Lowering the spreader angle increases tension
• The angle has no effect on tension

- ANSWER: b. Lowering the spreader angle increases tension

• According to OSHA, when testing a man basket, how long

must the test pick be maintained?

• 2 minutes
• 5 minutes
• 10 minutes

- ANSWER: b. 5 minutes

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• According to ASME B30.3, what is the minimum pitch

diameter for load hoisting sheaves?

• Not less than 16 times rope diameter
• Not less than 18 times rope diameter
• Not less than 20 times rope diameter

- ANSWER: b. Not less than 18 times rope diameter

• According to ASME B30.3, what is the minimum pitch

diameter for load block sheaves?

• Not less than 15 times rope diameter
• Not less than 16 times rope diameter
• Not less than 18 times rope diameter

- ANSWER: b. Not less than 16 times rope diameter

• According to ASME B30.3, what is the minimum pitch

diameter for boom hoist sheaves?

• Not less than 15 times rope diameter
• Not less than 16 times rope diameter
• Not less than 18 times rope diameter

- ANSWER: a. Not less than 15 times rope diameter