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Flashcards in Chapter #15 Fire Hose Deck (122)
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1

Standard on Fire Hose

NFPA 1961

2

A fire hoses measured diameter refers to what measurement?

The internal diameter.

3

What is the traditional length of fire hose in North America?

50'

4

Used to connect the pumper to a hydrant or other water source.

Suction hose (intake hose).

5

Standard on Automotive Fire Apparatus.

NFPA 1901

6

Large diameter hose, minimum of 15' long, used to connect a pumper to a pressurized source (hydrant). Sizes range from 2 1/2" to 6". Has two female or non threaded couplings.

Soft Sleeve Hose

7

Non collapsible hose that operates under a vacuum. Used to draft water from a static water source. Generally comes in 10' sections. Sizes 2 1/2" to 6". Two female or non threaded couplings.

Hard suction hose

8

Standard for Fire Hose Connections.

NFPA 1963

9

NFPA 1963 requires that all brands of fire hose coupling threads have what?

Compatabilty

10

What is the required thread type of fire hose called?

American National Fire Hose Connection Screw Threads. (National Hose)

11

What three types of alloys are used to make couplings?

Brass. Aluminum. Magnesium

12

Name three ways that couplings are manufactured.

Cast. Extruded. Drop Forged

13

Very weak. Only found on occupant type hose.

Cast

14

Lightweight and high strength. Usually made of aluminum. Stronger then cast couplings.

Extruded

15

Made of brass or other malleable metals. Strongest and most expensive couplings.

Drop Forged

16

A male coupling attached to a female coupling is called what?

A set (three piece coupling)

17

Name three types of coupling lugs.

Pin, Recessed, Rocker

18

Lug found on older fire hose. Not used anymore due to catching.

Pin

19

Lug found on booster hose. Enables hose to be wound up into a reel. Pin-lug spanner used to break connection.

Recessed

20

Modern fire hose lug. Prevents hose from catching on objects.

Rounded Rocker

21

Located on swivels of large intake supply or suction hose.

Handles or extended lugs.

22

Connected with locks or cams and not screw threads. Some have male and female ends, most are sexless.

Non threaded coupling

23

Name two types of sexless couplings.

Quarter turn. Stortz (turn 1/3)

24

T or F Can dirt become lodged into a sexless couplings grooves, giving the impression that it is a tight seal when it may not be?

True

25

Name six causes of fire hose damage.

Mechanical, Thermal, Organic, Chemical, Corrosion, Age deterioration.

26

Special cold resistance hose is rated for temps down to what?

-65F

27

Name three methods of removing frozen fire hose.

Melt the ice with a steam generating device. Chop the hose out with an axe. Wait until it has thawed.

28

Should fire hose that was frozen be service tested prior to being put back into service?

Yes

29

What types of fire hose can be affected by mold and mildew?

Hose with a woven jacket of cotton or other natural fiber.

30

If a fire hose has no been removed in ............ remove it, inspect it, sweep it, reload it.

6 months