Firefighting

Question 1

What is the firefighter’s primary and secondary duty?

Answer 1

Primary duty: is saving lives.
Secondary duty: extinguish fires and limit damage to aircraft, shipboard, airfield installed equipment, and/or
airfield structures

Question 2

What are the key elements of a fire?

Answer 2

1. Oxygen - 2. Heat - 3. Fuel

Question 3

Explain the fire tetrahedron

Answer 3

Oxygen, Fuel, Temperature.

Question 4

Class Alpha Fires:

Answer 4

Occurs in combustible materials.
Effective extinguishing agents are water (H20) or Aqueous Film Forming Foam.

Question 5

Class Bravo Fires

Answer 5

flammable liquid
AFFF, Halon 1211, Purple K Powder (PKP), and Carbon
Dioxide.

Question 6

Class Charlie Fires

Answer 6

Energized electrical fires
CO2, Halon, PKP and H20 in fog patterns with a minimum distance of 4 feet.

Question 7

Class Delta Fires

Answer 7

combustible metals such as magnesium and titanium

Question 8

AFFF

Answer 8

Aqueous Film Forming Foam, non-corrosive agent with unlimited shelf life

Question 9

Water

Answer 9

Cool down agent, protective shield for personnel

Question 10

HALON 1211

Answer 10

Colorless, sweet-smelling gas that inhibits the chemical chain reaction of
combustion.

Question 11

Carbon Dioxide:

Answer 11

15 pound portable and 50-pound wheeled units

Question 12

PKP

Answer 12

dry chemical that breaks the combustion chain.