What role do safety chains play in a lifting system?

• A. To reduce friction between moving parts
• B. To provide additional security for lifted loads
• C. To act as a tension indicator
• D. To improve lifting speed

Answer: (B)

Safety chains play a crucial role in a lifting system by providing additional security for lifted loads. Their primary function is to act as a backup mechanism, ensuring that if the primary lifting mechanism fails—such as a hoist or sling breaking—the safety chains will still secure the load and prevent it from falling. This added layer of safety is essential in lifting operations, as it helps protect both the equipment and personnel in the vicinity of the lift. In various industries, utilizing safety chains can significantly mitigate the risk of accidents and injuries associated with falling objects, thereby enhancing overall safety standards.

While other options touch on aspects of lifting mechanics or load management, none relate directly to the primary safety function that safety chains are intended to provide.