Overhead Crane Practice Test

According to OSHA, how many wraps must remain on the hoist drum of an overhead crane with the hook at its lowest position?

1. 1 wrap

2. 2 wraps

3. 3 wraps

4. 4 wraps

The correct answer is: 3 wraps

The guideline established by OSHA requires that a minimum of three wraps must remain on the hoist drum of an overhead crane when the hook is at its lowest position. This requirement is crucial for ensuring the safe operation and stability of the load being lifted. Having three wraps provides adequate support and friction on the drum, preventing the wire rope or chain from slipping off and reducing the risk of accidents caused by slippage or sudden load drops. The additional wraps help ensure that even if there is some wear or damage to the rope, there are still sufficient wraps engaged to support the load safely. This standard is part of a broader set of safety regulations aimed at preventing accidents and ensuring safe lifting practices in industrial settings. It is essential for operators to adhere to these guidelines to maintain safe working conditions while operating overhead cranes.