LP 6 Rope Flashcards
1
Q
Size of prussik cord
A
8mm
2
Q
The kern in a kernmantle is responsible for approximately what % of strength of the rope
A
75%
3
Q
Utility rope: type, diameter, length
A
Kernmantle, 1/2 inch, 75 ft
4
Q
Nylon webbing breaking strength
A
4,000
5
Q
Breaking strength of lifeline rope
A
9,000
6
Q
Melting point of lifeline rope
A
480 F
7
Q
Working load of lifeline rope
A
600lbs
8
Q
Square knot weakens a rope by how much %
A
50%
9
Q
Figure eight knot weakens a rope by %
A
20%
10
Q
Clove hitch knot weakens a rope by %
A
35%
11
Q
What is mandatory retirement of rope?
A
6 years
