Chapter 8 & 9

Question 1

in tech rescue applications, the connective materials that are used in conjunction with other equipment. rope, nylon webbing, harnesses

Answer 1

software

Question 2

3 general classifications of rope that may be present at an incident scene:

Answer 2

1. Lifeline
2. Accessory cord
3. Utility rope

Question 3

Lifeline may be purchased in _______ to _______ ft. lengths

Answer 3

100-600

Question 4

much of the hardware is designed to work with ____ rope

Answer 4

1/2 inch

Question 5

rope construction method that produces a continuous strand of fiber that runs the entire length of the rope’s core

Answer 5

block creel construction

Question 6

rope that consists of a protective shield over the load bearing core

Answer 6

kernmantle rope

Question 7

the core of kernmantle rope provides about _____ % of the rope’s strength

Answer 7

75

Question 8

the manufacturer’s recommended maximum load for a rope or other system component

Answer 8

working load

Question 9

NFPA 1983 requires that lifeline used for a two person, or rescue load, must be capable of supporting a load in excess of 40 kN or roughly _________ lbs.

Answer 9

9000

Question 10

with lifeline rope, there is a required _______ safety factor

Answer 10

15:1

Question 11

a dynamic sudden load placed on a rope

Answer 11

impact load

Question 12

according to NFPA 1983, all lifeline must elongate between a minimum of ___ % to a maximum of ___% when loaded at ____% of its rated breaking strength

Answer 12

1, 10, 10

Question 13

webbing is produced in various lengths from ___ to ___ inches in width

Answer 13

1-2

Question 14

the 1 inch width webbing is typically used for lashing and has a _______lb. breaking strength

Answer 14

4000

Question 15

________ webbing is mainly used in rescue work for straps and harness

Answer 15

flat

Question 16

Spiral weave webbing, aka _________________, is the type most preferred in rescue work

Answer 16

shuttle-loom construction

Question 17

simple, open, u-shaped fold in a rope

Answer 17

bight

Question 18

free end of the rope used for hoisting, pulling, or belaying

Answer 18

running part

Question 19

middle of the rope, between the working end and the running part

Answer 19

standing part

Question 20

end of rope used to tie a knot

Answer 20

working end

Question 21

knot that should be used in place of a bowline when using synthetic fiber rope.

Answer 21

figure eight knot

Question 22

______________ create a moveable connection point between two ropes

Answer 22

prusik knots

Question 23

bowline weakens rope by as much as ____% while figure eight weakens rope about _____%

Answer 23

30, 20

Question 24

mechanical devices needed to fully and safely construct mechanical advantage systems with rescue rope

Answer 24

hardware

Question 25

__________ are commonly used lifting frames that extend between ____ and ____ft. above an opening

Answer 25

tripods, 7, 12

Question 26

all equipment used in rescue operations should be rated for general use rating of ________lbs.

Answer 26

600

Question 27

tri-links are specifically designed to handle _____________ loads

Answer 27

multidirectional

Question 28

the diameter of a pulley sheave should be ____ or ____ times the diameter of the rescue rope

Answer 28

3,4

Question 29

living trees greater than ____ inches in diameter are generally considered to be strong enough to meet the bombproof criterion

Answer 29

6

Question 30

method of building a strong anchor system from a weak or inadequate anchor point

Answer 30

tie back anchor

Question 31

each travelling pulley in a system will contribute a minimum of a _____ mechanical advantage

Answer 31

2:1

Question 32

A picket should be ___ long and ___ inch in diameter.

Answer 32

4, 1

Question 33

A single picket can hold up to ____ pounds

Answer 33

700

Question 34

Pickets are directional anchors and should be driven into the ground ______ of their length.

Answer 34

2/3

Question 35

A ___ mechanical advantage system is also the standard benchmark used for one rescuer to raise one person

Answer 35

4:1

Question 36

In a _________, all traveling pulleys move in the same direction, but at different rates of speed. ( two simple systems working in concert)

Answer 36

compound mechanical advantage system

Question 37

The joining of pulleys or simple system to create a compound system has a ______ effect on the calculation of mechanical advantage.

Answer 37

Multiplicative

Question 38

In a _________, the additional pulleys or systems are added within the original system, and not on the haul side of the system

Answer 38

complex mechanical advantage system

Question 39

The joining of pulleys or systems to create a complex system has a _____ effect on the calculation of mechanical advantage

Answer 39

summative.

Question 40

____ refers to a system designed for a specific need, or to identify the features of a system that must be built

Answer 40

Theoretical mechanical advantage

Question 41

If the rope is attached to the load, the underlying simple system will have an ___ MA

Answer 41

odd

Question 42

If the rope is attached to the anchor point, the underlying simple system will have and _______ MA

Answer 42

even