MASS MASS Test Rigging and Slings 2

Question 1

What effect does a narrow sling angle (less than 30°) have on the tension in each leg of a multi-leg sling?

Accepted Answer

It greatly increases tension in each leg

Answer

It reduces tension in each leg

Answer

It has no effect on individual leg tension

Answer

It balances the load more evenly

Question 2

Which type of hitch provides the least security because the load can tip or slide?

Accepted Answer

Vertical hitch

Answer

Basket hitch

Answer

Choker hitch

Answer

Double-wrap choker hitch

Question 3

What should a rigger check on a shackle before use?

Accepted Answer

The pin is fully seated, moused, and the WLL is legible

Answer

The color and finish only

Answer

Only the outer body for cracks

Answer

Whether it matches the hook shape

Question 4

When using a choker hitch, how does the load capacity compare to the sling's vertical rated capacity?

Accepted Answer

It is approximately 75-80% of the vertical capacity

Answer

It is equal to the vertical capacity

Answer

It doubles the vertical capacity

Answer

It is only 25% of the vertical capacity

Question 5

What is the purpose of a tag line during a rigging operation?

Accepted Answer

To control load swing and rotation without direct contact

Answer

To attach the load to the crane hook

Answer

To measure the load weight

Answer

To serve as a secondary lifting line

Question 6

Under OSHA 29 CFR 1926.251, who is responsible for inspecting rigging equipment before each use?

Accepted Answer

A competent person

Answer

The crane operator only

Answer

The site safety officer

Answer

The rigging manufacturer's representative