MASS Test Rigging and Slings Flashcards
6 cards from real MASS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 MASS Test Rigging and Slings flashcards as text
What is the primary purpose of a rigging inspection before a lift?
Answer: To identify defects that could cause failure during the lift
Pre-lift inspections identify defects such as cuts, kinks, or corrosion that could cause rigging to fail under load.
Which sling type offers the greatest flexibility and is best suited for irregular-shaped loads?
Answer: Chain sling
Chain slings are highly flexible, durable, and conform well to irregular load shapes while withstanding heat and abrasion.
What does the term 'Working Load Limit' (WLL) mean in rigging?
Answer: The maximum load a sling can carry under ideal conditions
Working Load Limit is the maximum load a piece of rigging equipment is rated to carry under normal, intended conditions.
When a sling is used in a basket hitch, how does the rated load capacity change compared to a straight vertical hitch?
Answer: It increases up to 2 times
A basket hitch distributes the load across two legs, which can increase the rated capacity up to twice that of a single vertical hitch.
Which condition requires a wire rope sling to be immediately removed from service?
Answer: Six randomly distributed broken wires in one lay
ASME B30.9 requires removal of wire rope slings with six or more randomly distributed broken wires in one rope lay.
What is the correct action if a synthetic web sling shows cuts, burns, or chemical damage?
Answer: Remove it from service and destroy it
Synthetic web slings with cuts, burns, or chemical damage must be removed from service and destroyed to prevent accidental reuse.