Exam Question and Answers

NCCCO Core Mobile Crane sample Exam Question and Answers | Rated A+ Latest / What should you do on pick and carry operations?

• Correct Answer - Keep the boom as short as possible

What boom position would cause the greatest ground pressure when lifting with crawler cranes?

• Correct Answer - Over the corner

Where should the hook be positioned when preparing to hoist a light load?

• Correct Answer - Directly above the load's center of gravity

According to OSHA 1926.1408, what minimum clearance must be maintained between any part of the crane/load and 850kV energized overhead power lines.

• Correct Answer - 45 ft.

How many parts of line are required to hoist a 36,500 lb. load if the maximum allowable line pull is 9,000 lbs.? 1 / 3

• Correct Answer - 5

What determines the amount of deduction required for an erected jib that is not being used?

• Correct Answer - The effective weight of the jib

What capacity should you use when the boom length of the crane falls between the lengths listed in the load chart?

• Correct Answer - The next longest or the next shortest boom length,

whichever is the lower capacity When is it okay to temporarily bypass a crane's overload warning system?

• Correct Answer - During assembly/disassembly operations

What happens to the leverage of the load on a crane as the boom is being lowered?

• Correct Answer - It increases

Where are the Standard Method hand signals found?

• Correct Answer - OSHA Subpart CC 2 / 3

What should an operator do if a crane's load moment indicator (LMI) malfunctions?

• Correct Answer - Cease crane operations and report the condition to

the supervisor The primary purpose for a rooster sheave or Auxiliary boom point

sheave is to:

• Correct Answer - Separate the hoist lines

What is the minimum allowable distance from the crane and power lines under 50k

• Correct Answer - 10 ft.

When an operator leaves the crane, he must first:

• Correct Answer - ANSI B30.5-3.1.2, Put the load on the ground and put

all dogs or pawls in.According to OSHA 1926.1431(k)(8)(i) personnel platform lift shouldn't

be made with wind in excess of:

• Correct Answer - 20 MPH

1926.1431(k)(8)(i)

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