Fire Extinguisher Knowledge Assessment

The video tutorial explains the fire triangle, which consists of fuel, heat, and oxygen, and how removing one element can prevent fire. It categorizes fires into classes A to F, each requiring specific extinguishers. The video details five main types of extinguishers: water, foam, CO2, dry powder, and wet chemical, and their suitability for different fire classes. It also covers the components of extinguishers, how to use them, and the difference between stored pressure and cartridge-operated extinguishers.

What are the three elements that make up the fire triangle?

• Heat, Water, and Air

• Fuel, Heat, and Water

• Fuel, Heat, and Oxygen

• Fuel, Water, and Air

Which class of fire involves flammable liquids like petrol and diesel?

• Class C

• Class A

• Class D

• Class B

Which class of fire involves cooking oils and fats?

• Class F

• Class B

• Class E

• Class A

What is the main purpose of a pressure gauge on a fire extinguisher?

• To show if the extinguisher is properly charged

• To indicate the amount of extinguishing agent left

• To display the weight of the extinguisher

• To measure the temperature of the extinguisher

What is the main function of the propellant in a fire extinguisher?

• To cool down the fire

• To expel the extinguishing agent

• To provide oxygen to the fire

• To increase the temperature

What is the first step in using a fire extinguisher?

• Squeeze the lever

• Pull the pin

• Aim the nozzle at the base of the fire

• Sweep the hose from side to side

Which type of fire extinguisher is noted by a red color and is suitable for Class A fires?

• Water type

• CO2 type

• Foam type

• Dry powder type

Which fire extinguisher type is suitable for electrical fires and noted by a black color?

• Wet chemical type

• CO2 type

• Foam type

• Water type

What is the main disadvantage of using dry powder fire extinguishers?

• They are too heavy to carry

• They can create breathing problems and visibility issues

• They are not effective on Class A fires

• They are not suitable for electrical fires

Which type of fire extinguisher is designed for Class F fires and noted by a yellow color?

• Water type

• Foam type

• CO2 type

• Wet chemical type