NCCCO Core Exam Outline Questions And Answers

NCCCO Core Exam Outline Questions And Answers -

NCCCO Core Exam Outline Questions And Answers -

Q: What materials should be used when setting up on soft surfaces like soft

ground, asphalt, or backfilled material? A: Timber or steel.

Q: On crawler cranes, which boom position creates the greatest ground pressure?

A: Over the corner.

Q: What allows the weight of the crane and load to be distributed over a greater

surface area and should be used under outrigger floats? A: Blocking.

Q: Blocking should be at least how many times the surface area of the float? A: 3.

Q: Overhead power lines must be considered to be in what condition until

electrical authorities indicate otherwise? A: Energized.

Q: No part of the crane or load must ever enter this area around an energized

power line. A: Prohibited zone.

Q: The prohibited zone must be enlarged as what increases? A: kV (Voltage).

Q: What minimum distance does OSHA require to be maintained when voltage up

to 350 kV is unknown? A: 20 feet.

Q: What minimum distance is required if the voltage is over 350 kV and

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A: 50 feet.

Q: This person must be appointed any time the crane is working within a boom's

length of the prohibited zone. A: Qualified signal person.

Q: The use of these should be avoided when lifting near power lines, but if

necessary, they should be non-conductive type. A: Tag lines.

Q: What area should be avoided when operating cranes or handling materials near

power lines? A: Above power lines.

Q: What should the operator do if the crane comes in contact with a power line?

A: Remain in the cab.

Q: If it is necessary to leave the crane cab before power lines are de-energized

after contact, how should the operator exit the cab? A: Jump.

Q: A crane can also become electrically charged when working close to these

types of towers.

A: Transmission towers (radio, microwave, cell).

Q: Before traveling on-site with a load, who must approve it? A: Manufacturer.

Q: Ensure the boom is low enough when traveling with a load to avoid the

possibility of what? A: Backward collapse.

Q: Always travel in this direction when traveling with a load. A: Toward the load.

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