knots and harnesses

Question 1

What is safe working load of GP line?

Answer 1

450kg

Question 2

What is the diameter of GP line?

Answer 2

12mm

Question 3

What is the melting point of GP line?

Answer 3

250oc

Question 4

What is GP line made of

Answer 4

polyester

Question 5

What is the SWL of kermantle rope

Answer 5

272kg

Question 6

what is kermantle rope made of?

Answer 6

nylon polyester

Question 7

what is the diamter and colour of kermantle rope

Answer 7

orange/blue . 13mm

Question 8

What is the best way to clean rope line?

Answer 8

Rope line can be cleaned after use by soaking and agitating in container of warm water

Question 9

Name 4 ways a rope line can be damaged? I.e What is CAMSUE?

Answer 9

Chemicals
Abrasions
Mechanical damage
Shock load
Uv light
Extreme heat

Question 10

2 external signs of rope damage?

Answer 10

cuts or broken strands, excessive abrasion

Question 11

2 internal signs of rope damage?

Answer 11

: fine powder, broken fibres

Question 12

What is TRUSS?

Answer 12

T- easy to tie
R- easy to recognise
U- easy to untie
S- wont damage the strength of the ropeline
S- wont slip

Question 13

What are 6 GP knots?

Answer 13

Clove hitch, overhand knot, half hitch, round turn with 2 half hitches , rolling hitch,double sheet bend, bowline

Question 14

what are the 7 components of a karabiner?

Answer 14

• Well, major axis, gate, locking sleeve, kinge, minor axis, latch

Question 15

name 5 components of harness attachment

Answer 15

sternal attachment
ventral attachment
chest harness
adjustable shoulder straps
karabiner
waist belt

Question 16

What are the following knots used for?
Clove hitch
Rolling hitch
round turn w 2 HH

Answer 16

-Clove hitch- used for securing small gear + end of rope line
-rolling hitch- variation of clove hitch,it will not slip in the direction where double turn was applied
round turn with 2 half hitches- securing a line to any round object, easy to untie , knot does not jam under heavy weight

Question 17

What are the following knots used for?
overhand knot
half hitch
bowline
double sheet bend

Answer 17

-overhand knot- Used to prevent a line from unreeving through a pulley
-half hitch- used to secure knots, prevent them from unravelling
-bowline- used to raise or lower objects, tightens under load and is easy to untie
-double sheet bend - used to join ropes of diff thicknesses. Thicker rope forms the bite

Question 18

What are LRL kermantle rope specs?

Answer 18

-consists of a nylon core and a polyeseter sheath, elongates under load.
-13mm diameter
-270kg working load limit, one person per line
-220 oc melting point
-elongation- 3% at 80kg

Question 19

What is knot protocol?

Answer 19

-ensure the correct knot is used for the job
-place tension on the line to tighten the knot
-all knots must be released from line after use
-all knots must be inspected after tying. look away and re check
-If its LRL, another FF needs to check
-ALl knots have no less than 150 mm tail

Question 20

What are the 5 life rescue knots? what are their uses?

Answer 20

-double fishermans- used to connect lines of equal diamter to form a strong non slip join without loss of strength

-figure 8 stopper- forms the basis of all figure 8 family of knots. Can be used in the running end as a stopper to prevent objects coming off line

-figure 8 on the bite- creates a non slip loop that can be attached to a karabiner /top d of a safety harness

-figure 8 re thread- used to connect a line to an object where a loop cannot be thrown over to secure the end of a line

-alpine butterfly- designed for 3 way loading from standing, running end and loop of the knot. Used as a midline attachment point . Can be used to isolate a damaged piece of rope