Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Assessment 2 > Ropes, Knots & Lines > Flashcards

Ropes, Knots & Lines Flashcards

1
Q

4 Uses of Ropes

A
  • Tying off
  • Hauling items aloft
  • Guy Lines
  • Rescue
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Types of rope

A

Natural Fibre

Synthetic Fibre

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Types of natural fibre rope

A

Hemp

Manila

Sisal

Coir

Cotton

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Types of synthetic fibre ropes

A

Nylon

Terylene

Polyproylene

Polyester

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Disadvantage of Natural Fibre rope

A

Will rot if stored wet

Low shock absorbing capacity

Approximately half the strength of synthetic ropes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Advantages of Synthetic Ropes

A

Smooth, Flexible, pleasant to handle

2x strength of natual fibre

Ability to absorb shock loads

Can be stored wet

Rot and mildew resistant

Good resistance to abrasion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Disadvantage of Synthetic Ropes

A

Tendancy to slip while applying a knot

Nylon ropes stretch under load

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

4 compontents in the construction of rope

A

Fibre: Threadlike cell or filament

**Yarn: **A number of fibers wound together

**Strand: **A number of yarns wound in the opposite direction

**Rope: **3 strands wound in the opposite direction.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Identify type of rope

A

S lay rope

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Identify type of rope

A

Z lay rope

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Describe Kernmantle rope

A

Core of continuous synthetic fibres (KERN)

Encased in a protective, braided outer sheath (MANTLE)

Stronges rope construction

No twisting of fibres

Made of poylester or nylon

Can be Static or Dynamic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are % of stretch in

a. Static Kernmantle
b. Dynamic Kernmantle

A

a. 2%
b. 12%-13%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How is rope size determined?

A

The number of yarns twisted into a strand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Rope diameter is indicated in __________

General rope diameter is ______

A

Rope diameter is indicated in millimetres

General rope diameter is 13mm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How is rope length indicated?

A

1 red band per 10m at each end

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Whay are rope lengths marked in the middle?

A
  • Easy to identify bight

Use would include tying a clove hitch around suction lenght

17
Q

What factors effect the strength of a rope?

A

Knots

Sharp Bends

Mechanical Damage

Shock

Heat

Chemical Damage

18
Q

Causes of Mechanical Deterioration in rope.

A

Abrasion

Sharp Bends/Edges

Dirt or grit on the rope

Shock

Overloading

19
Q

Causes of Chemical Deterioration in rope:

A

Oils

Acids and Alkalis

Mildew and mould

Heat

Sunlight

20
Q

Rope will deteriorate throughout it’s life depending on:

A
  • Amount of use
  • How it is treated
  • The care it is given after use.
21
Q

What lengths are rescue lines generally stowed in?

A

50m

100m

200m

22
Q

Define “Running End”

A

The free end of a line

23
Q

Define “Standing Part”

A

The part of a rope that is fixed or taking a load

24
Q

Define “Line”

A

A rope of a specific length for a specific purpose.

Rescue Line

Personal Line

25
Q

6 Characteristics of Knots

A
  1. Easy to tie
  2. Easy to untie
  3. Should not over-tighten when wet
  4. Will not excessivley weaken the rope
  5. Carries out the function for which it is employed
  6. Neatly dressed
26
Q

Idendity and Use

A

Overhand Knot

Use: Stopper knot

27
Q

Identity and Use

A

Figure 8 Knot

Use: Stopper knot

28
Q

Identity and Use

A

Reef Knot

Use: Join two lines of equal diameter

29
Q

Identity and Use

A

Sheet Bend

Use: Join two lines of different diameter

30
Q

Identity and Use

A

Double Sheet Bend

Use: Join two lines of different diameter (CFA Prefered)

31
Q

Identity and Use

A

Timber Hitch

Use: Hoisting timber or irregular objects

32
Q

Identity and Use

A

Clove Hitch

Use: Tying off and Hoisting

33
Q

Identity and Use

A

Rolling Hitch

Use: Directional pull/load

34
Q

Identity and Use

A

Round Turn & Two Half Hitches

Use: Tying off

35
Q

Identity and Use

A

Sheepshank

Use: Shorten or bypass damaged rope

36
Q

Identity and Use

A

Bowline

Use: Form a loop (non slipping)

37
Q

Identity and Use

A

Bowline on the bight

Use: Form two loops

Assessment 2 (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions