#1
Which type of sling is most suitable for lifting fragile materials?
Synthetic web sling
ExplanationSynthetic web slings provide a gentle and cushioned lift, making them ideal for fragile materials.
#2
What is the recommended maximum angle for sling use in lifting operations?
90 degrees
ExplanationA 90-degree angle is the recommended maximum for safe and effective sling use in lifting operations.
#3
What is the primary purpose of a tagline in material lifting?
To control the load's movement
ExplanationTaglines help control the movement of the load during lifting operations, enhancing safety and precision.
#4
Which type of sling is typically NOT used for lifting hot materials?
Synthetic web sling
ExplanationSynthetic web slings are not suitable for lifting hot materials due to their lower heat resistance.
#5
Which factor does NOT affect the safe working load (SWL) of a sling?
Sling length
ExplanationSling length does not directly impact the safe working load; other factors like material strength and type are more critical.
#6
What should be done if a sling shows signs of damage or wear?
Repair it immediately
ExplanationAny signs of damage or wear on a sling should prompt immediate repair to ensure safety during lifting operations.
#7
What is the purpose of a shackle in a lifting operation?
To attach the sling to the crane hook
ExplanationShackles are used to securely attach the sling to the crane hook during lifting operations.
#8
What is the main advantage of using a synthetic web sling?
High resistance to chemicals
ExplanationSynthetic web slings offer high resistance to chemicals, making them suitable for various environments.
#9
Which type of hitch should be used to lift a cylindrical object?
Bridle hitch
ExplanationA bridle hitch is suitable for lifting cylindrical objects, distributing the load evenly.
#10
Which factor should be considered when determining the sling's working load limit (WLL)?
The material strength of the load
ExplanationThe material strength of the load is a crucial factor in determining the working load limit (WLL) of a sling.
#11
What is the recommended method for storing slings when not in use?
Hung from a hook
ExplanationWhen not in use, slings should be properly stored by hanging them from a hook to prevent damage and ensure easy access.
#12
What is the recommended inspection frequency for slings in regular use?
Before each use
ExplanationRegularly used slings should be inspected before each use to identify and address any signs of wear or damage.