Hoses Flashcards
1
Q
Small Diameter Hose
A
- 1”-2”
- 3/4” to 1” “booster line” used for small outdoor fires
2
Q
Supply Hose vs. Attack Hose
A
- Supply carries large quantities at low pressure
- Attack carries less quantities at high pressure
- Attack hose 50’ sections
- Supply hose 100’ sections
3
Q
Medium-Diameter Hose
A
- 2 1/2” to 3”
- Supply lines or attack lines
4
Q
Large-Diameter Hose
A
-3 1/2” to 6”
5
Q
Hose Construction
A
- Inner waterproof layer with one or two outer layers
- Outer layers withstand pressure/protect from abrasion
6
Q
Double-Jacket Hose
A
- Two layers of woven fibers
- Outer layer provides protection
- Inner layer provides strength
7
Q
Rubber covered hose/Rubber jacket howe
A
-Durable, rubber like compound as outer covering
8
Q
Hose Liner
A
- Inner part of hose
- Prevents water from leaking out
- Smooth inside surface to reduce friction
9
Q
1 1/2” and 1 3/4” Attack Hose
A
- Pre-connected line from 150’ to 350’ ready for immediate use
- 1 1/2” between 60 and 125 gpm
- 1 3/4” between 120 and 180 gpm
10
Q
2 1/2” Attack hose
A
- For big fires
- 250 gpm
- 350 gpm can be achieved, but it is difficult
11
Q
Booster Hose
A
- Carried on hose reel that holds 150 to 200 feet of rubber hose
- Steel wire gives it rigid shape
12
Q
Forestry Lines
A
-1 to 1 1/2”
13
Q
Wye
A
- One hose stream to two hose streams
- Most common is one 2 1/2” line into two 1 1/2” hoselines
14
Q
Water Thief
A
- Gated wye with additional 2 1/2” outlet
- Used primarily on attack lines
15
Q
Siamese
A
- Two lines into one
- Most common combines two 2 1/2” sections into single line
