Chapter 6

Question 1

Class A

Answer 1

Ordinary combustibles

Question 2

Class B

Answer 2

Flammable or combustible liquids and gasses

Question 3

Class C

Answer 3

Electrical equipment

Question 4

Class D

Answer 4

Combustible metals

Question 5

Class K

Answer 5

Cooking oils

Question 6

Smothering

Answer 6

Excluding o2 from the burning process

Question 7

Cooling

Answer 7

Reducing the burning material below its ignition temperature

Question 8

Chemical Flame Inhibition

Answer 8

Interrupting the chemical chain reaction in the burning process

Question 9

Saponification

Answer 9

Forming oxygen-excluding soapy foam surface

Question 10

Aqeous Film Forming Foam

Answer 10

• Synethetic foam concentrate
• Combined with water
• Form a complete vapor barrier over fuel spills

Question 11

Dry Chemical

Answer 11

Powdery extinguishing agents used to extinguish fires

Question 12

Dry Powder

Answer 12

Extinguishing agent suitable for combustible metal fires

Question 13

Bright white emissions indicate

Answer 13

Magnesium fire

Question 14

Manual pump

Answer 14

Operator physically applies pressure to the pump to shoot out stuff

Question 15

Stored pressure

Answer 15

Compressed air or inert gas etc.

Question 16

Pressure cartridge

Answer 16

Cartridge on the container that contains inert gas

Question 17

Halons

Answer 17

• Useful for putting our fires in computer rooms, aircraft engines, and things that can be damaged by water

Question 18

Put out a small metal fire

Answer 18

• Cover fire with powder
• Spread a layer of powder 1-2in. deep
• Shovel burning material onto that layer and leave it to cool before discarding anything

Question 19

PASS

Answer 19

Pull pin, aim, squeeze, sweep