Fire Fighting

Question 1

What three elements make up the fire triangle?

Answer 1

Heat, Fuel, Oxygen

Question 2

What happens if you remove one element of the fire triangle?

Answer 2

The fire will be extinguished

Question 3

What is convection?

Answer 3

Heat transfer through liquids or gases (heat rises)

Question 4

What is conduction?

Answer 4

Heat transfer through solid materials

Question 5

What is radiation?

Answer 5

Heat transfer through electromagnetic waves (no direct contact)

Question 6

Fire spreads through a metal wall. What type of heat transfer is this?

Answer 6

Conduction

Question 7

Fire spreads upward through air or smoke. What type of heat transfer is this?

Answer 7

Convection

Question 8

You feel heat from a fire without touching it. What type of heat transfer is this?

Answer 8

Radiation

Question 9

What is a Class A fire?

Answer 9

Ordinary combustibles (wood, paper, cloth)

Question 10

What is the primary extinguishing agent for Class A fires?

Answer 10

Water

Question 11

What is a Class B fire?

Answer 11

Flammable liquids (fuel, oil, gasoline)

Question 12

What is the primary extinguishing agent for Class B fires?

Answer 12

Foam

Question 13

What is a Class C fire?

Answer 13

Electrical fires

Question 14

What is the primary extinguishing agent for Class C fires?

Answer 14

CO₂ (or dry chemical)

Question 15

What is a Class D fire?

Answer 15

Combustible metals

Question 16

What is a major danger of CO₂ extinguishers?

Answer 16

Displaces oxygen → risk of suffocation

Question 17

Why must caution be used when using CO₂ in enclosed spaces?

Answer 17

It can cause unconsciousness or death due to lack of oxygen

Question 18

What is the role of the fire team leader?

Answer 18

Directs the team and makes decisions

Question 19

What does the nozzle operator do?

Answer 19

Controls and directs water/agent onto the fire

Question 20

What is the backup firefighter responsible for?

Answer 20

Supports the nozzle operator and manages hose

Question 21

What is a PASS device?

Answer 21

Personal Alert Safety System that sounds alarm if firefighter is motionless

Question 22

When does a PASS device activate?

Answer 22

When no movement is detected

Question 23

What are common fire risks in galleys?

Answer 23

Grease, cooking equipment

Question 24

What are common fire risks in laundries?

Answer 24

Lint buildup, overheating machines

Question 25

What are common fire risks in paint lockers?

Answer 25

Flammable vapors and chemicals

Question 26

What is a gated wye?

Answer 26

A hose fitting that splits one line into two with control valves

Question 27

What is a fire monitor?

Answer 27

A fixed or portable device that directs large volumes of water

Question 28

What are adapters used for in fire equipment?

Answer 28

Connecting different hose sizes or fittings

Question 29

What is a direct fire attack?

Answer 29

Applying water/agent directly onto the fire

Question 30

What is an indirect fire attack?

Answer 30

Applying agent to create steam or cool the environment (not directly at flames)

Question 31

Fire involving gasoline—what class and primary agent?

Answer 31

Class B → Foam

Question 32

Electrical fire—what class and safest extinguishing agent?

Answer 32

Class C → CO₂ (or dry chemical)

Question 33

Fire spreads through air upward—what type of heat transfer?

Answer 33

Convection

Question 34

Why is water dangerous on electrical fires?

Answer 34

It conducts electricity

Question 35

What happens if oxygen is removed from a fire?

Answer 35

Fire is extinguished

Question 36

What is the purpose of a PASS device?

Answer 36

To alert others if a firefighter becomes motionless or incapacitated

Question 37

Why is lint in laundries a fire hazard?

Answer 37

It is highly flammable and can ignite easily

Question 38

Why are paint lockers high fire risk areas?

Answer 38

Flammable vapors can ignite