Question

when multiple pieces of lifting equipment are used, the swl is:

a. the sum of the swls of the individual pieces.

b. that of the piece with the highest rating.

c. that of the piece with the lowest rating.

d. the average of the swls of the pieces with the highest and lowest ratings.

Explanation:

SWL (Safe Working Load) for multiple lifting equipment is limited by the weakest link (lowest - rated piece), as the system can't exceed the capacity of the least - capable equipment to ensure safety.

Answer:

c. That of the piece with the lowest rating.