Free Certified Pipefitter Rigging and Hoisting Operations Questions and Answers

Question 1

A pipefitter is rigging a 2,000-pound pipe spool using a two-leg bridle sling. The angle of each sling leg relative to the horizontal load is 30 degrees. What is the tension on each sling leg?

Accepted Answer

2,000 pounds

Answer

1,000 pounds

Answer

1,414 pounds

Answer

4,000 pounds

Question 2

According to ASME B30.9, which of the following conditions is an immediate cause for removing a synthetic web sling from service?

Accepted Answer

Missing or illegible identification tag

Answer

Minor discoloration from sunlight

Answer

Water stains from being used in the rain

Answer

The sling has been in service for one year

Question 3

A signal person needs to communicate 'Raise the Boom and Lower the Load' to a crane operator. According to standard ANSI/OSHA hand signals, what is the correct signal?

Accepted Answer

Arm extended horizontally, thumb pointing up, flexing fingers in and out.

Answer

Arm extended horizontally, thumb pointing down, flexing fingers in and out.

Answer

Arm extended vertically, index finger pointing up, making small circles.

Answer

Both arms extended horizontally, palms down, swinging back and forth.

Question 4

A pipefitter is tasked with lifting an L-shaped pipe spool. To ensure a level and stable lift, the single lifting point must be positioned directly above the spool's:

Accepted Answer

Center of gravity

Answer

Geometric center

Answer

Heaviest component

Answer

Longest leg

Question 5

When using a manually operated chain fall or come-along, which of the following actions is a serious safety violation?

Accepted Answer

Centering the load in the saddle of the hook.

Answer

Inspecting the hooks and chain for damage before use.

Answer

Ensuring the anchor point is strong enough for the load.

Answer

Using a 'cheater bar' or pipe extension on the handle for more leverage.

Question 6

During a periodic inspection of rigging hardware, a pipefitter discovers a shackle with a section of the bow worn down by more than 10% of its original diameter. According to ASME B30.26, what is the correct action?

Accepted Answer

Immediately remove it from service and destroy it.

Answer

Continue to use it, but at a reduced capacity.

Answer

Repair the worn area by welding.

Answer

Mark it for non-load-bearing use only.