311 - AFFF Operator

Question 1

What does AFFF stand for?

Answer 1

Aqueous Film Forming Foam

Question 2

What color is AFFF usually?

Answer 2

A clear to slightly amber colored liquid

Question 3

What is the mixture of AFFF?

Answer 3

Water or firemain for a mixture of 94% water to 6% AFFF

Question 4

What type of fires do we use AFFF on?

Answer 4

Primarily used for Bravos fires, it is actually better than water when putting out alpha due to its penetrating characteristics.

Question 5

What does AFFF do to a fire?

Answer 5

1. Film is formed which prevents the escape of vapors
2. Layer of foam effectively excludes oxygen
3. Water cools the heat

Question 6

Where are the AFFF systems located?

Answer 6

Compartments or areas where flammable/combustible liquid fires are likely to occur i.e. machinery spaces, fuel pump rooms, flight deck, etc.

Question 7

How many AFFF stations do we have aboard?

Answer 7

20 on the 2nd deck, 10 port and 10 starboard.

Question 8

What are the AFFF tanks made of?

Answer 8

90/10 copper-nickel

Question 9

How many gallons do the AFFF stations hold?

Answer 9

600 gallons of AFFF

Question 10

How do we get AFFF to the 20 stations?

Answer 10

Reserve tanks located in the hangar bays, HB1 port side and HB3 starboard side.

Question 11

How many gallons of AFFF do the reserve tanks hold?

Answer 11

3500 gallons of AFFF

Question 12

What are the reserve tanks rated at?

Answer 12

360 gpm

Question 13

Where are the transfer pumps located?

Answer 13

Near station 6 fwd mess decks by the drinking fountains and the salad bar and outboard of station 13 right next to the DC office.

Question 14

What are the transfer pumps rated at?

Answer 14

360 gpm

Question 15

What is the handwheel color of AFFF concentrate?

Answer 15

Red and Blue

Question 16

What is the handwheel color of AFFF mixturew?

Answer 16

Red and Green (Christmas Colors)

Question 17

What sound powered phones are located next to the AFFF stations?

Answer 17

X50J

Question 18

Where can the X50Js call?

Answer 18

Conflag control station can call each AFFF proportioning station supplying outlets in the same or adjacent hangar bays by means of a selector switch.

Question 19

What are the ways to light off an AFFF station?

Answer 19

SOPV, push button, and motor controller

Question 20

What does SOPV stand for?

Answer 20

Solinoid Operated Pilot Valve

Question 21

How many volts is the SOPV rated at?

Answer 21

440V

Question 22

How are the SOPVs actuated?

Answer 22

Electrically by push button or manually by rotating t-handle.

Question 23

How many directions do check valves flow in?

Answer 23

One

Question 24

How do hy valves fail?

Answer 24

Open, held closed by water.

Question 25

How do power valves fail?

Answer 25

Shut, held closed by powerful spring.

Question 26

Where are trol valves locates?

Answer 26

On the solution side

Question 27

Where are the injection only pumps?

Answer 27

Stations 1 and 2, 11 and 12

Question 28

What are the injection pumps rated at?

Answer 28

60 gpm

Question 29

Where do the injection only pumps go?

Answer 29

O3

Question 30

How many gallons do AFFF extinguishers have in them?

Answer 30

16 gallons

Question 31

What are AFFF extinguishers rated at?

Answer 31

100 psi

Question 32

What is the pancake valve actually known as?

Answer 32

Back Pressure Regulator Valve