Fire Hose (CH. 13)

Question 1

Size of hose refers to what dimintion

Answer 1

Inside diameter

Question 2

Intake hose (2 types)

Answer 2

connect pumper to a water source

• soft: for a pressurized source
• hard: for a static source (drafting)

Question 3

Types of damage to a hose

Answer 3

mechanical
thermal
organic
chemical

Question 4

Material of couplings

Answer 4

mostly- brass aluminum or magnesium

Question 5

Types of couplings

Answer 5

Threaded-
male- exposed threads
female- protected threads w/ swivel
Nonthreaded- sexless or Storz

Question 6

Higbee Cut

Answer 6

mark on the lugs of the coupling that aligns threads to prevent cross threading

Question 7

Simple rules for the care of Couplings

Answer 7

dont drop/drag
dont let vehicles run over
inspect, wash, and dry
inspect gasket

Question 8

Types of Hose Valves

Answer 8

Ball- pumper discharge, gated wyes
Gate- hydrant
Butterfly- large pump intake
Clapper- Siamese

Question 9

Wye vs Siamese

Answer 9

wye- splits a hose (1 female into 2 males)

Siamese- combines hose ( 2 female into 1 male)

Question 10

Water thief

Answer 10

used in wildland house, similar to the wye

Question 11

Hydrant valve

Answer 11

valve the connects to hydrant used to change size, split or boost hydrant

Question 12

Hose Fittings

Answer 12

Connects hose that can not normally.

Adapter- male to male, female to female
Reducer- larger hose the smaller hose

Elbows- usually on the intake on engine, makes it easier to connect

Question 13

hose roller

Answer 13

reduces friction on hose on windowsills and roofs

Question 14

hose Jacket

Answer 14

metal jacket that clamps on damaged hose to temporarily fixes it.

Question 15

Hose clamp- uses

Answer 15

used to stop water flow
     to replace a burst section, 
     allow extention,
     easier to advance hose up stairwell
     open a hydrant to free up a FF

Question 16

Hose Clamps- types

Answer 16

screw down
press down
hydraulic

can do manually

Question 17

Hose clamp guidelines

Answer 17

20' behind apparatus
5' behind the coupling (source side)
close evenly
close/open slowly (avoid water hammer)
stand to the side (may snap open)

Question 18

spanners

Answer 18

used to loosen couplings (fit on the lugs)

usually hand tighten couplings

Question 19

hose bridge or ramp

Answer 19

used so hose dose not get run over.

Question 20

chaffing blocks

Answer 20

put under hose to prevent vibration damage

Question 21

Hose strap, rope or chain

Answer 21

used to help hold/control hose

can be used to secure hose to ladder

Question 22

straight roll

Answer 22

male (exposed threads) on the inside
have control on female end when rolled out
opposite if damaged

Question 23

donut roll

Answer 23

fold hose in half (on top of each other)and roll
male on top (will be protected in the end)

have control of both ends when rolled out

Question 24

twin donut roll

Answer 24

fold hose (side by side)
both ends exposed

used for compact storage

can be made self-locking

Question 25

types of hose loads in bed

Answer 25

Accordion Horseshoe Flat load

Question 26

Dutchman

Answer 26

folding the hose so the coupling does not flip when coming out of the bed

Question 27

Preconnect load types

Answer 27

flat triple layer minuteman (top half put on shoulder booster reel (rubber covered hose)

Question 28

Supply Hose Lays

Answer 28

Foward hydrant to fire female end off first tools/engine at fire Reverse fire to hose male end off first must take what you need

Question 29

Advancing Hose into a structure

Answer 29

``` bleed air set pattern check door for heat stay low remove kinks chock door (prevent pinching hose) ```

Question 30

Anchor a nose with hose

Answer 30

make big loop, sit on it

Question 31

nozzle reaction

Answer 31

nozzle kicking back | for 2-1/2" use 2 FFs

Question 32

break hose line

Answer 32

bleed first use spanners two FFs bend and use knee