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Flashcards in Knots And Lines Deck (20)
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1
Q

What can a line be secured to?

A

An object
Itself
Another line

2
Q

When tying knots, what are the terms used to describe different parts of the lines?

A

Standing part
Bight
Running end
Tail

3
Q

What are the qualities of a good knot ?

A

Easy to tie
Easy to untie
Not damage the line
Carry out the function intended safely and without slipping.

4
Q

What is a line ?

A

A length of rope cut to a specific length for a specific task

5
Q

What length is a long line ?

A

31m

6
Q

What length is a short line?

A

15.5m

7
Q

What length is a pouch line ?

A

4 m

8
Q

What is the purpose of

Half hitch

Round turn

Round turn and two half hitches

A

To secure a line to an object

9
Q

What is the purpose of an

Overhand knot

Figure of eight knot

A

to prevent a line unreeving through a block

Used to indicate a burst length

10
Q

What is the purpose of a fisherman’s knot ?

A

To join two lines of equal thickness

11
Q

What is the purpose of a double sheet bend ?

A

To join two lines of unequal thickness

12
Q

What is the purpose of a

Clove hitch

Rolling hitch

A

To secure around an object being pulled at right angles.

13
Q

What is the purpose of Bowline

A

To secure a line when a non slipping noose is required

14
Q

What is the purpose of a running bowline

A

To secure a line when a slipping noose is required.

15
Q

How is a long line stored

A

Haphazardly in a yellow duffel bag.

16
Q

How are ropes constructed ?

A

Made of synthetic (Nylon), vegetable or steel fibres.

Fibres twisted in strands, strands twisted into Yarns, Yarns twisted in rope.

Rope can be right or left hand lay.

Ends are called whippings.

17
Q

Causes of line deterioration?

A
  1. Prolonged exposure to Sunlight
  2. Cuts and contusions
  3. Overloading
  4. Chemical attack
  5. Local abrasion
  6. Heat (fire or friction)
18
Q

Standard tests for line ?

A

Tested

On acceptance
After operational use
Quarterly
Annually at workshops

  1. Check line along its length at 300mm intervals
  2. checks whippings in place
  3. Check bag doesn’t have and cuts larger than 25mm
19
Q

Describe how to care for a line.

A
  1. Rinse with warm water and washing up liquid
  2. Flush with warm water
  3. Allow to dry naturally
20
Q

Use of short line

A

Used when a long line would be too awkward e.g securing hard suction