Rigging Week 2 NLC Quiz

What term defines the free end of a rope used to form a knot?

• Bight

• Standing part

• Rope

• Running End

What is the CBS (Catalog breaking strength)?

• The average force in pounds needed to break a rope

• Its fine to use the rope up to its CBS

• No clue

• The average force in kilograms needed to break a rope.

Answer explanation

1.2 of your manual

What is the industry accepted ratio for design factor?

• 6:1

• 7:1

• 5:1

• 10:1

What is the efficiency rating of a clove hitch?

• 70%

• 50%

• 80%

• 60%

What is the efficiency rating of a square knot?

• A) 70%

• B) 60%

• C) 80%

• D) 50%

What is the OHSA requirement for the number of full tucks for a short splice?

• 2 tucks

• At least 8 full tucks

• 4 on each side of the centerline

• 100 full tucks to make sure the splice is strong.

What is working load limit (WLL)?

• OSHA who?

• The spec given by the manufacturer

• Average force needed to break the rope

• The maximum allowed weight that a rope can be used with normal conditions.

Which splice is not rated for efficiency?

• Short Splice

• Eye Splice

• Back Splice

Improved plow is a term used with?

• Wire rope

• Extremely heavy loads

• Its the only rope you should use

• Synthetic rope

What is the efficiency rating of a short splice?

• 90%

• 80%

• 50%

• 75%