National Dental College and Hospital Fireman Interview Questions and Answers

Fire is a chemical reaction that produces heat and light. There are different types of fires based on the materials burning.

• Fire is a rapid chemical reaction between oxygen and a fuel source, producing heat and light.

• Types of fires include Class A (ordinary combustibles like wood and paper), Class B (flammable liquids like gasoline), Class C (electrical fires), and Class K (cooking oils and fats).

• Each type of fire requ...read more

There are five main types of fire extinguishers: water, foam, dry powder, CO2, and wet chemical. Each type is used for different classes of fires.

• Water extinguishers are used for Class A fires involving solid materials like wood or paper.

• Foam extinguishers are suitable for Class A and B fires, which involve flammable liquids like petrol.

• Dry powder extinguishers are versatile and can be used on Class A, B, and C fires, ...read more