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BHR ESWS > Dc > Flashcards

Dc Flashcards

1
Q

3 switches activated by halon

A

Ventilation shut down
Predischarge
Discharge

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2
Q

Toxic biproduct of afff

A

H2s

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3
Q

Afff tanks made out of what

A

90/10 copper nickel

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4
Q

Afff sprinkling supplies to two places

A

Zones-flight deck

Groups-in the skin of the ship

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5
Q

What does halon break down to at 900 degrees

A

Hydrogen fluoride

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6
Q

What does hydrogen fluoride do

A

Melts scba masks

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7
Q

Chemical compound name for halon

A

Bromo tri-fluoro methane

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8
Q

What spaces are protected by halon

A 
Fwd/aft mmr
Fwd/aft edg
Fwd/aft jp5 
Lcac pump room
Amr 
Ships store storeroom
Paint mix and issue 
Cargo ten
Aviation flammable liquid storeroom
Flammable liquid storeroom
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9
Q

Location of cht pump rooms

A

Fwd- under main issue

Aft-stbd amr

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10
Q

Location of cht receiving stations

A

Fwd-centerline amr

Aft-in aft edg

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11
Q

How many cht pump are on board

A

7

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12
Q

What kind of pumps are in cht receiving stations

A

Eddy

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13
Q

What kind of pump are in cht receiving stations

A

Macerator

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14
Q

Where are the 4 cht shire connections

A

1-fwd stbd under first class mess
2-Fwd port under 2A
3-aft stbd old vape pit
4-aft port outside of safety office

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15
Q

Main hazard of cht

A

H2s gas

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16
Q

Diseases you can get from cht

A

Cholera, hepatitis, typhoid

17
Q

Location of main drains

A

1&2 fwd jp5
3&4 fwd main
5,6,&7 aft main

18
Q

How many spaces are protected by apc

A

5

19
Q

Which spaces are protected by apc

A 
Main galley
Cpo galley 
Wardroom galley
Flag galley
Co galley
20
Q

How many ways are there to light off apc

A

4

21
Q

What’re the ways to light off apc

A

Fusible link melts at 360 degrees
Manual control
Pressure release control
Apc bottle

22
Q

Range of co2 bottle

A

4-6 feet

23
Q

How long does a co2 bottle last

A

40 continuous seconds

24
Q

Co2 is best for which class of fire

A

Charlie

25
Q

Range of afff bottle

A

15 feet and decreasing

26
Q

Pkp comes is what size bottle

A

18 and 27 pound

27
Q

What does nfti stand for

A

Naval fire firefighting thermal imager

28
Q

What 2 modes does the nfti have

A

Pan and chop

29
Q

Classify an s type educator

A

1 1/2 inlet
2 1/2 discharge
Strainer basket must be attached

30
Q

Classify the peri jet educator

A

2 1/2 inlet
4 discharge
Can pump small debris
Has 6 jets that create Ventri effect

31
Q

Classify the ram fan

A

2000 cfm
35 pounds
Water driven 1 1/2 in and 1 1/2 our
Uses 10 in elephant trunks

32
Q

Classify the box fan

A

3200 cfm
115 volts
Hangs from door frame

BHR ESWS (9 decks)

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