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LAFD TOWER 23-4 > Hose & Nozzles > Flashcards

Hose & Nozzles Flashcards

1
Q

What is the hose compliment on an Engine?

A

Transverse Bed

400ft 1 1/2 attack line (White)
500ft 1 inch Trash Line (White)
400ft 1 3/4 attack line (Yellow)
4-5-4

Rear Bed
750 ft 4 inch supply line (Yellow)
750ft 2 1/2 attack line (White)

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2
Q

What is the ladderpipe hose compliment on a Truck?

A

100 ft section of 3” hose (red)

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3
Q

What are the 3 types of lugs

A

Pin, Rocker, Wing

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4
Q

What are the 3 types of valves

A

Ball valve- Sphere with a hole, rotates in and out of alignment (shutoff butts, gates)
Gate Valve- Barrier that raises/lowers with hand wheel (ladderpipe)
Globe Valve- Washered valve with hand wheel (hydrant, faucet)

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5
Q

What does the Hydrant Sling contain?

A

Combination hydrant spanner, Adjustable hydrant wrench

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6
Q

50’ hose can be repaired and shortened to what length?

A

No less than 40 feet

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7
Q

3 types of hoses

A

100% polyester single or double jacketed, rubber lined, presently the standard for our Department.

3/4” garden hose.

Single jacketed, synthetic rubber, impregnated with synthetic fibers.

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8
Q

How often must hose be tested?

A

Annually (January)

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9
Q

LAFD hose uses _______ thread type.

A

National Standard Thread (NST)

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10
Q

What is the Higbie indicator?

A

Identifies the start of the thread. Located on lugs (indicator) and end of thread (cut).

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11
Q

Hose is tested at what pressure?

A

400 psi - double jacket
300 psi - single jacket/bypass/suction
250 psi - 4” supply hose

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12
Q

How many holes does the Bresnan Distributor have?

A

9 (Bres-nine)

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13
Q

How many holes does the Gorder Distributor have?

A

6 (Gorder has 6 letters)

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14
Q

What use is the 2 1/2 Hydrofoam Nozzle for?

A

100ft Ladderpipe operations

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15
Q

What are 3 alternate uses for hose?

A
  • Water rescue (fill with air)
  • Squeegee (fill and drag)
  • Basin (divert water)
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16
Q

Hose size is determined by its _______ diameter

A

Internal

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17
Q

What is a hose Section?

A

50 or 100’ length with 1 male and 1 female coupling

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18
Q

What is a Bypass?

A

Length of hose < 40’ in length with 1 male & 1 female coupling

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19
Q

What is a Suction hose?

A

Soft: 12 or 24’ length, double female couplings

Hard: 10’ length, 1 male 1 female coupling

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20
Q

How is LAFD hose stamped?

A

Adjacent to male lug, threads on the left with station #, hose #. 6, 8 & 9’s underlined.

21
Q

How is LAFD hose stenciled?

A

Both ends of hose 6” from couplings, coupling on the left with station # in 1.5” stencil

22
Q

If unused, hose should be changed out every _____ months

A

3

23
Q

How should LAFD hose be rolled?

A

Male forms the core.
- Exceptions: 4” supply hose & damaged hose female forms the core

24
Q

When testing hose, a maximum of ______ per outlet can be connected and is timed for ______.

A

300’, 5 minutes

25
Q

What does hose with red painted couplings mean?

A

Drag hose, not water worthy

26
Q

What are the standard hose sizes for the LAFD?

A

4”, 3”, 2.5”, 2”, 1 3/4”, 1.5”, 1”, 3/4”

27
Q

When rolling 1” hose, the male end should be folded back _______ inches before rolling.

A

18-24”

28
Q

How should damaged hose be marked for repair?

A

Mark on both sides of damage with black tape, tie hose through core in 2 places, and label with F-175 tag

29
Q

What is a Dutchman?

A

A short fold in the end of the 4” supply line to keep the last hose coupling from sliding out of the bed

30
Q

A maximum of ____ degrees from inline shall be used when spraying from a ladder.

A

15

31
Q

When extending a line from a nozzle, the gate must be _________.

A

Strapped open

32
Q

When following a hose line back to the apparatus, you will feel the _____ coupling first.

A

Female

  • Little to big, back to the rig
  • Smooth, bump bump
  • Female is first
  • Follow the female out
33
Q

What makes a “complete spray” nozzle?

A

A nozzle attached to a shutoff butt

34
Q

1” Complete Spray Dual Gallonage Nozzle GPM and NP?

A

10/40 gpm, 100 psi

35
Q

1” Thermo-Gel Nozzle GPM & NP?

A

20 gpm, 75 psi

36
Q

1” Bubble Cup Spray Tip GPM and NP?

A

10/40 GPM, 100 psi

37
Q

1 1/2” Complete Spray Nozzle with Adjustable Tip GPM and NP?

A

18/80 gpm, 75 psi

38
Q

1 1/2” Complete Spray Nozzle (red) GPM and NP?

A

125 GPM, 75 psi

39
Q

1 1/2” Complete Spray Nozzle (yellow) GPM and NP?

A

200 GPM, 75 psi

40
Q

2 1/2” Complete Spray Nozzle (green) GPM and NP?

A

325 GPM, 50 psi

41
Q

2 1/2” Complete Smooth Bore Nozzle with 1 1/4” Tip GPM and NP?

A

325 GPM, 50 psi

42
Q

2 1/2” Akron Turbo Master Spray Tip GPM and NP?

A

350/500/750/1000 GPM, 100 psi

43
Q

2 1/2” Hydrofoam Nozzle GPM and NP?

A

660 GPM, 100 psi / 175 psi for ladderpipe

44
Q

2 1/2” Smooth Bore Tips (3) GPM and NP for each?

A

1 1/2”|1 3/4”|2” - 600/800/1000 gpm, 80 psi

45
Q

2 1/2” Stackable Tips (4) GPM and NP for each?

A

1 3/8”|1 1/2”|1 3/4”|2” tips - 400/600/800/1000 GPM, 80 psi

46
Q

A 2 1/2” stackable nozzle tip must be used in conjunction with a ____________.

A

2 1/2” stream straightener

47
Q

2 1/2” Bresnan Distributor GPM, NP, spray diameter and use?

A

600 gpm, 80 psi, 30’ diameter. Used for wharfs, piers, and cellars. “Bres-nine” holes.

48
Q

2 1/2” Gorder Distributor GPM, NP, spray diameter and use?

A

800 gpm, 80 psi, 30’ diameter. Used for wharfs, piers and cellars. 6 holes (Gorder is 6 letters).

49
Q

2 1/2” Fog Hog Nozzle GPM?

A

500 gpm

LAFD TOWER 23-4 (15 decks)

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