This is one of the important question in the Interview for Occupational Health and Safety personal. Before you answer this question please get your homework done properly as earlier the Class of Fire Extinguisher was from A-E

Find the Types of Fire Extinguishers

Class A: Ordinary combustibles (i.e. cloth, wood and paper)
Class B: Flammable liquids
Class C: Appliances, electrical
Class D: Metals
Class K: Cooking oils