Lifting Equipment Flashcards
What do you can the distance between the bearing points of the sling?
Effective working length
Where would you find the SWL on a chain sling ?
Every master link, every 20th link and on a tag
What percent of the diameter can be worn by socketing in order to make it non serviceable?
10%
What 3 types of ferrule is there?
Rounded
Tapered
Parallel
How do you identify a parallel ferrule?
And why is it good?
Wire protrusion is used as a slip indicator.
Slightly protruding or level with ferrule.
If below ferrule sling is U/S
What is the Talurit process?
A hydraulic press crimps the ferrule
The ferrules can be aluminium, copper, stainless steel
What is a swage?
They are connections pressed onto cables, used where cables or accessories have to be removed
What percentage of wires broken can you have in 10x the diameter?
5%
What are the 3 types of shackles?
Dee shackles
Bow shackles
Grab shackles
What are the 2 types of thimble
Reeving and standard
Standard fits through reeving
What’s the angle between 2 leg sling
Included angle
What are the 5 types of flat sling
Endless Double eye Reverse eye Triangle eye Choker
What material is a purple sling made from ?
What chemicals effect it ?
Polyester
Resistant to moderate acid but damaged by alkali
What material is a black sling made from?
What chemicals effect it ?
Nylon
Immune to alkalis and damaged by acids
Swl of purple, green and yellow jokers
1 tonne- purple
2 tonne- green
3 tonne -yellow
