NCCCO Mobile Crane Test New

NCCCO Mobile Crane Test (New Update) Questions and Verified Answers| Graded A| 100% Correct

QUESTION

Where is the tipping axis of a crawler crane located?

• It is always at the centerline of the idler or sprocket
• It depends if the idler or sprocket are in line or offset from the track rollers
• It is through the centerline of the crane cab
• It is through the boom butt section

Answer:

b.

QUESTION

What should be done with materials placed under overhead energized power lines?

• Be dragged out
• Be lifted as normal
• Not be lifted by crane
• Handled with extra care

Answer:

c.

QUESTION

What standard method hand signal is being illustrated?

• Boom up
• Boom down
• Retract boom
• Hoist

Answer:

c.

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QUESTION

Where should the crane's outrigger pads or tracks be placed when working at ground floor level near a cellar wall?

• As close as possible to the wall
• At least as far back as the depth of the wall below ground
• At a distance at least half the depth of the cellar wall below ground d. Anywhere, since the

wall is unaffected by the weight of the crane

Answer:

b.

QUESTION

How should the wheels of a crane be positioned when it is set up for working on outriggers?

• Just touching the ground
• As high as possible off the ground
• Just high enough off the ground to relieve the tires of crane weight d. Firmly on the ground to

support the crane

Answer:

c.

QUESTION

What happens to ground bearing pressure if you move a crawler crane from soft ground to harder ground?

• It increases
• It decreases by a third
• It remains the same
• It decreases by half

Answer:

a.

QUESTION

When may a swivel be used with rotation resistant wire rope? 2 / 3

• Always
• Never
• If the rope manufacturer approves
• If the operator decides it's OK

Answer:

c.

QUESTION

What should you do on pick and carry operations?

• Keep the boom as short as possible
• Keep the load as high above the ground as possible
• Ensure the load is as far from the carrier/carbody as possible
• Use maximum boom length

Answer:

a.

QUESTION

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

• Over the right side
• Over the end
• Over the corner
• over the left side

Answer:

c.

QUESTION

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

• Slightly to the side you're planning to swing to
• Slightly to the side opposite you plan to swing to
• Directly above the load's center of gravity
• Above the edge of the load closest to the crane
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