CERT unit 6 Flashcards
Cert volunteers should always use what system?
The buddy system, never fight a fire alone, always stick together
Fire requires which elements to exist? Fire triangle
*Heat
*Fuel
*Oxygen
List and describe all classes of fire
*Class A: Ordinary combustibles such as paper and wood
*Class B: Flammable liquids
*Class C: Electrical fires
*Class D: Combustible metals such as aluminium and titanium
*Class K: Cooking oil fires
What are the types of extinguishers?
*Water
*Dry chemical
*Carbon dioxide
*Specialized
What extinguishing agent should you use for class A fires?
*Water
*Foam
*Dry chemical
What extinguishing agent should you use for class B fires?
- Dry chemical
- Foam
- CO2
What extinguishing agent should you use for class C fires?
*CO2
*Dry chemical
What extinguishing agent should you use for class D fires?
- Specialized agents
What extinguishing agent should you use for class K fires?
- Chemical
Common characteristics of water extinguishers? capacity, range, and pressure
*Capacity: standard 2.5 gallons
*Range: 30-40 feet
*Pressure: 110 lbs psi
Common characteristics of chemical extinguishers? capacity, range, and pressure
*Capacity: 10-20 seconds discharge time
*Range: 8-12 feet
*Pressure: 175-250 lbs psi
What is the 5 second rule?
If you cannot put the fire out in 5 seconds, RUN HOE
What is overhauling?
Process of searching a fire scene for hidden fire or sparks in an effort to prevent the fire from rekindling. Remember “cool, soak, and separate”
What does P.A.S.S stand for
*Pull
*Aim
*Squeeze
*Sweep
What two types of Hazards does natural gas present?
It is asphyxiant, meaning it displaces oxygen/ deprives the body of oxygen and It is flammable
Why is CO so deadly?
It is silent, colorless, orderless, and a poisonous gas.
What is L.I.E.S?
*Limit
*Isolate
*Eliminate
*Seperate
A placard (The diamond shape thingy) the top red section means….
Material’s flammability
A placard (The diamond shape thingy) the left blue section means….
health hazard
A placard (The diamond shape thingy) the right yellow section means….
reactivity
A placard (The diamond shape thingy) the bottom white section means….
special precautions
A W on a placard indicates…
Unusual activity with water
A OX on a placard indicates…
A material possesses oxidizing properties
ACID on a placard indicates…
material is acid duh doy
ALK on a placard indicates…
The material is a base
COR on a placard indicates…
The material is corrosive
