The term for ultimate load divided by the safety factor is what?

The term for ultimate load divided by the safety factor is what?

• A. Maximum operating load
• B. Safe working capacity
• C. Working load limit
• D. Breaking strength

Answer: (C)

Think of safety margins in rigging. The ultimate load is the maximum the equipment could withstand before failing. When you apply a safety factor, you divide that ultimate load by the factor to create a practical, safe limit for use. That result is the Working Load Limit, the maximum load you should apply during normal operation to maintain a margin against failure. The breaking strength is the load at which failure actually occurs, not the safe operating value. Other terms like safe working capacity or a different “maximum” load don’t match the defined ratio of ultimate load to safety factor.

Think of safety margins in rigging. The ultimate load is the maximum the equipment could withstand before failing. When you apply a safety factor, you divide that ultimate load by the factor to create a practical, safe limit for use. That result is the Working Load Limit, the maximum load you should apply during normal operation to maintain a margin against failure. The breaking strength is the load at which failure actually occurs, not the safe operating value. Other terms like safe working capacity or a different “maximum” load don’t match the defined ratio of ultimate load to safety factor.