FREE NCCCO Knowledge Questions and Answers

What is the load block sheaves' minimum pitch diameter?

at least 15 times the diameter of the rope

at least 20 times the diameter of the rope

at least 18 times the diameter of the rope

at least 16 times the diameter of the rope

Correct! Wrong!

What is the boom hoisting sheaves' minimum pitch diameter?

at least 20 times the diameter of the rope

at least 16 times the diameter of the rope

at least 15 times the diameter of the rope

at least 18 times the diameter of the rope

Correct! Wrong!

When lifting with crawler cranes, which boom position would result in the most ground pressure?

Beyond the corner

Beyond the edge

Above the front

Above the back

Correct! Wrong!

What is the rotation resistant rope's safety factor for lifting people?

5:1

28:2

10:1

20:1

Correct! Wrong!

Which accessible section of a working crane must to be blocked off all the time, according to OSHA?

From the top of the reel to the top of the drum, the rope extends.

They depend on the crane's steadiness.

The revolving superstructure's back swing radius

Depending on which next boom length is shorter or longer and has a lower capacity

Correct! Wrong!

What happens if you place timber blocking beneath a crawler crane's track tips?

He or she plans to proceed.

Divide the hoist lines.

increases the stability of the crane

lowers the crane's capacity

Correct! Wrong!

When operating at ground floor level close to a cellar wall, where should the outrigger pads or tracks of the crane be positioned?

At least as far back as the wall's subsurface depth

The revolving superstructure's back swing radius

Just far enough above the surface to release the crane weight off the tires

As long as it doesn't produce any obvious distortion that would compromise procedures that are safe

Correct! Wrong!

In the context of load capacity charts, what does "jib angle to ground" mean?

The front

main boom angle less the offset of the jib

Divide the hoist lines.

only when loads are freely suspended

Correct! Wrong!

When ought one to employ a tagline?

From the top of the reel to the top of the drum, the rope extends.

The separation between the load's center of gravity and the crane's center of rotation

When a load's rotation could be hazardous 1910.180(h) & 1926.1417(w)(3)(xvi) If it becomes essential, a tag or restraint line must be employed to stop the weight from rotating in a dangerous way.

Crane capacity in the gray regions above the bold lines are determined by hydraulic or structural constraints. Based on stability ratings, the crane capacity are below the bold lines.

Correct! Wrong!

What is the minimal distance under $50,000 that can be kept between a crane and electrical lines?

6 ft.

15 ft.

10 ft.

20 ft.

Correct! Wrong!

When can outrigger beams be covered with blocking (cribbing)?

Never

Always

Infrequently

Sometimes

Correct! Wrong!

FREE NCCCO Knowledge Questions and Answers

What is the load block sheaves' minimum pitch diameter?

What is the boom hoisting sheaves' minimum pitch diameter?

When lifting with crawler cranes, which boom position would result in the most ground pressure?

What is the rotation resistant rope's safety factor for lifting people?

Which accessible section of a working crane must to be blocked off all the time, according to OSHA?

What happens if you place timber blocking beneath a crawler crane's track tips?

When operating at ground floor level close to a cellar wall, where should the outrigger pads or tracks of the crane be positioned?

In the context of load capacity charts, what does "jib angle to ground" mean?

When ought one to employ a tagline?

What is the minimal distance under $50,000 that can be kept between a crane and electrical lines?

When can outrigger beams be covered with blocking (cribbing)?

Ace Your Exam with NCCCO Practice Tests 2025

FREE NCCCO MCQ Questions and Answers

FREE NCCCO Basic Questions and Answers

What is the load block sheaves' minimum pitch diameter?

What is the boom hoisting sheaves' minimum pitch diameter?

When lifting with crawler cranes, which boom position would result in the most ground pressure?

What is the rotation resistant rope's safety factor for lifting people?

Which accessible section of a working crane must to be blocked off all the time, according to OSHA?

What happens if you place timber blocking beneath a crawler crane's track tips?

When operating at ground floor level close to a cellar wall, where should the outrigger pads or tracks of the crane be positioned?

In the context of load capacity charts, what does "jib angle to ground" mean?

When ought one to employ a tagline?

What is the minimal distance under $50,000 that can be kept between a crane and electrical lines?

When can outrigger beams be covered with blocking (cribbing)?

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