Chapter 3

Question 1

How/Why are knots used?

Answer 1

To fasten a rope around an object or to join rope ends together.

Question 2

How are all knots and hitches tied?

Answer 2

By a combination of bights, loops, and round turns

Question 3

What are the terms used in tying knots?

Answer 3

• The Standing Part is the longest part of a rope.
• The Running End of a rope is the free end used to tie a knot.
• The Bight is a loop formed by placing the running end of the rope parallel to the standing part of the rope.

Question 4

What is the weakest point of a rope?

Answer 4

A Knot or Splice

Question 5

How does a knot work?

Answer 5

When strain is applied the knot begins to sever the strands of the rope.

Question 6

How is knot efficiency determined?

Answer 6

-By repeatedly breaking a rope with a tied knot in it and averaging the weights at which it broke.

Question 7

Properties of the Bowline?

Answer 7

• “King of Knots”
• 65% Efficient
• Easily untied after supporting heavy strain

Question 8

Properties of the Running Bowline?

Answer 8

• 50% Efficient
• Used for securing a rope to the top of a pole for a temporary guy
• Tagging a Suspended Load
• Bowline tied around the standing part of the rope.

Question 9

Properties of Bowline on the Bight?

Answer 9

• 65% Efficient
• Used when a temporary eye is needed and the rope is longer than desired
• Used to pull a stuck vehicle with another vehicle
• Easily untied even if placed under heavy strain

Question 10

Properties of Clove Hitch?

Answer 10

• 60% Efficient
• Used to fasten a rope around an object
• Composed of two opposing half hitches
• Binds on the object with greater force as strain increases
• Easy to remove when strain is released
• Most reliable when attached to round objects, conductor or pipe

Question 11

Properties of Square Knot?

Answer 11

• 60% Efficient
• Used for securing a rope or line around an object
• Easily tied and untied

Question 12

What are the variations of the Square Knot?

Answer 12

• Thief Knot - Intentional Knot
• Granny Knot - Mistaken attempt of the Square Knot “Hatchet Knot”
• Grief Knot - “WhatKnot,” Trick knot

Question 13

Properties of Sheet Bend?

Answer 13

• Especially useful for joining different sizes of rope temporarily
• To be tied properly, the tails of both ropes must be on the same side of the knot

Question 14

Properties of Slip Knot?

Answer 14

• Used for hoisting tools or materials to the top of the pole or structure.
• Can be difficult to untie if used on heavy loads

Question 15

Properties of Grunt Knot?

Answer 15

• Used to tie items on a handline when a hook is not available
• Untied by pulling on the fall line

Question 16

Properties of Snubbing Knot?

Answer 16

• 50%
• Especially effective for controlling tension when untying
• Used to secure conductor to the pole
• The Snubbing Knot can be untied under full control while the weight of the conductor transfers to the hoist