Fire Extinguisher Quiz

What type of fire is a Class A extinguisher designed to combat?

• Flammable Liquids

• Ordinary Combustibles (wood, paper)

• Electrical Fires

• Cooking Oils

Answer explanation

A Class A extinguisher is specifically designed to combat fires involving ordinary combustibles such as wood and paper. It is not suitable for flammable liquids, electrical fires, or cooking oils.

Which type of fire extinguisher is suitable for flammable gas fires?

• Class B

• Class A

• Class C

• Class D

Answer explanation

Class B fire extinguishers are designed for flammable liquids and gases, making them suitable for fires involving flammable gases. Class A is for ordinary combustibles, Class C for electrical fires, and Class D for combustible metals.

What agent is typically found in a Class B fire extinguisher?

• Water

• Dry Chemical

• Carbon Dioxide

• Wet Chemical

Answer explanation

A Class B fire extinguisher is designed to combat flammable liquids. The typical agent used is Dry Chemical, which effectively interrupts the chemical reaction of the fire. Other options like Water and CO2 are not suitable for Class B fires.

Class K extinguishers are specifically designed for which type of fires?

• Electrical Fires

• Flammable Metals

• Cooking Oils and Fats

• Ordinary Combustibles

Answer explanation

Class K extinguishers are specifically designed to combat fires involving cooking oils and fats, making them essential for kitchen safety. They are not suitable for electrical fires, flammable metals, or ordinary combustibles.

Which extinguisher type is best for electrical fires?

• Class A

• Class B

• Class C

• Class K

Answer explanation

Class C extinguishers are specifically designed for electrical fires, as they use non-conductive agents to safely put out flames without the risk of electric shock. Other classes are not suitable for this type of fire.

What is the primary use of a Class D fire extinguisher?

• Wood and Paper Fires

• Flammable Liquid Fires

• Flammable Metal Fires

• Cooking Fires

Answer explanation

A Class D fire extinguisher is specifically designed to combat flammable metal fires, such as those involving magnesium, titanium, and sodium. It is not suitable for wood, paper, flammable liquids, or cooking fires.

Which type of extinguisher can be used on multiple classes of fires?

• Class A

• Multi-Purpose Dry Chemical

• Class D

• Class K

Answer explanation

The Multi-Purpose Dry Chemical extinguisher is designed to combat multiple classes of fires, including A, B, and C. This versatility makes it the best choice for various fire types compared to the other options.

What is the main component of a foam extinguisher?

• Water

• Aqueous Film Forming Foam (AFFF)

• Carbon Dioxide

• Dry Powder

Answer explanation

The main component of a foam extinguisher is Aqueous Film Forming Foam (AFFF), which is specifically designed to suppress flammable liquid fires by forming a barrier that prevents oxygen from reaching the fuel.

For which scenario would you use a Class K extinguisher?

• Electrical Equipment

• Metal Fires

• Grease Fires in a Kitchen

• Paper Fires

Answer explanation

A Class K extinguisher is specifically designed for grease fires in kitchens, making it the correct choice. It effectively extinguishes fires caused by cooking oils and fats, which are common in kitchen environments.

What color is a Class B fire extinguisher typically?

• Red

• Blue

• Yellow

• Green

Answer explanation

A Class B fire extinguisher is typically colored blue. This color indicates that it is suitable for flammable liquids like gasoline and oil, distinguishing it from other classes of fire extinguishers.