RSP Rigging Procedures & Equipment 5

Question 1

Which type of sling is MOST susceptible to damage from ultraviolet (UV) radiation over time?

Accepted Answer

Synthetic web slings

Answer

Synthetic web slings made of nylon, polyester, or polypropylene degrade when exposed to prolonged UV radiation, weakening the fibers and reducing capacity.

Question 2

A rigger is preparing to lift a load in an area where the temperature is 400°F (204°C). Which sling type is BEST suited for this application?

Accepted Answer

Alloy steel chain sling

Answer

Alloy steel chain slings (Grade 80 or 100) are rated for use at elevated temperatures up to 500°F (260°C) with appropriate derating, unlike synthetic slings which fail at much lower temperatures.

Question 3

What does a 'proof load test' determine for rigging hardware?

Accepted Answer

That the hardware can withstand a specified overload without permanent deformation

Answer

A proof load test applies a load greater than the rated capacity (typically twice the WLL) to verify there is no permanent deformation, confirming structural integrity.

Question 4

When rigging a cylindrical load such as a pipe using a choker hitch, where should the choke point be located?

Accepted Answer

Above the horizontal centerline, on the upper third of the cylinder

Answer

The choke should grip above the centerline so the load hangs stably beneath the hook; too low allows the load to tip and slip out of the choker.

Question 5

The 'design factor' (also called safety factor) for alloy steel chain slings per ASME B30.9 is:

Accepted Answer

4:1

Answer

ASME B30.9 specifies a minimum design factor of 4:1 for alloy steel chain slings, meaning the minimum breaking force is at least four times the working load limit.

(RSP) Rigger and Signal Person Certification Practice Test

(RSP) Rigger and Signal Person Certification Practice Test

RSP Rigging Procedures & Equipment 5