Sling angles of less than what degree should be avoided?

• A. 15 degrees
• B. 30 degrees
• C. 45 degrees
• D. 60 degrees

Answer: (B)

Sling angles of less than 30 degrees should be avoided because slinging at angles below this threshold can greatly increase the risk of load instability, affect the lifting capacity of the slings, and heighten the chance of accidents during lifting operations. When the angle of the sling decreases, the force exerted on the sling increases, which can lead to a higher likelihood of sling failure and inadequate support for the load.

Additionally, lower angles can also reduce the effective lifting capacity of a sling, as the load distribution becomes less efficient, putting more strain on the sling material and potentially leading to hazardous situations. Therefore, maintaining a sling angle of 30 degrees or greater helps ensure safer lifting practices. This standard is a key safety guideline in rigging and lifting operations to prevent accidents and ensure the integrity of the lifting equipment.