Lesson Plan 6 Ropes and Knots

Question 0

When damaged or older than ___ ____ the rescue rope is cut into ____ sections and designated as ____ ___.

Answer 0

6 years; 75’; utility rope

Question 1

What is the one type of rope we use?

Answer 1

Nylon kernmantle

Question 2

Rope Data for Utility Rope

Answer 2

Kernmantle
75’ lengths
1/2” diameter

Question 3

Rope Data for a Lifeline

Answer 3

Rescue Kernmantle
1/2" diameter
200 / 300 ft lengths
9000 lb breaking strength
600 lb working load (15:1 safety factor)
Melts at 480 degrees F
2 % stretch under normal loads (200 lbs)

Question 4

Rope Data for Nylon Webbing

Answer 4

Tubular (appears flat but is hollow)

4000 lb breaking strength

Question 5

Rope Data for Prussik Cord

Answer 5

Breaking strength of 2800 lbs
8 mil diameter
Various colors and lengths

Question 6

What is the standing part

Answer 6

The part of the rope that takes the load; hoisting, pulling etc

Question 7

What is the running part

Answer 7

The part of the rope used to form the knot, or the free end of the rope

Question 8

What is a bight

Answer 8

A bend in the rope keeping the sides parallel

Question 9

What is a loop

Answer 9

Formed when crossing the sides of a bight

Question 10

What is an eye splice

Answer 10

A permanent loop in the end of a rope

Question 11

What is a tail or crown splice

Answer 11

The end of the rope spliced into itself

Question 12

What is anchored or snubbed

Answer 12

Rope fastened to some stationary object

Question 13

How much do the various knots weaken a rope:
Square knot
Figure 8 knot
Clove hitch
Short splice

Answer 13

50% less
20% less
35% less
20% less

Question 14

A square knot is used for:

Answer 14

joining two ropes of the same size

Question 15

Clove hitch is used

Answer 15

To hoist and secure equipment, to construct an improvised deluge and to secure a halyard

Question 16

What is a round turn and two half hitches used for

Answer 16

to snub a rope to an object

secure a ladder anchor

Question 17

What is a running knot used for

Answer 17

Hoist hose and nozzle

Question 18

What is a slip knot used for

Answer 18

Secure hose bundles

Question 19

How many arm lengths are used to chain link a utility rope

Answer 19

6 arm lengths

Question 20

Usage for figure 8 knot

Answer 20

Stopper knot, to prevent rappelling off the end of the rope

Question 21

Usage for figure 8 on a bight

Answer 21

To form an eye anywhere in a line; for anchoring, towing etc; unties easily once under a load

Question 22

Usage for figure 8 follow through

Answer 22

to secure a line to an anchor or to join two lines of equal or unequal diameter

Question 23

Usage double loop figure 8

Answer 23

To be used for anchoring systems having 2 or more points

Question 24

When is the rope inspected

Answer 24

After each use

Question 25

What are the 4 points to look for when inspecting rope

Answer 25

Dirt/foreign particles imbedded in rope fibers
Spot abrasions, broken fibers, brittle fibers
Soft spots
Inconsistencies in the rope diameter

Question 26

How do we identify our ropes

Answer 26

Both ends shall be tagged with:
In-Service date
A/B ends
Length
Company #
Identification #

Question 27

Ropes are to be inventoried for how long

Answer 27

6 years

Question 28

What is the a running knot also know as

Answer 28

Hose knot