You are conducting training on fire fighting procedures. What type of fire is characterized by the burning of flammable liquids, greases, etc., where a blanketing effect is essential?

Correct Answer: Option D — Type B

Class B fires involve flammable and combustible liquids, petroleum greases, and tars. Extinguishment requires a blanketing or smothering effect to isolate the fuel from atmospheric oxygen, typically achieved using foam, dry chemical, or carbon dioxide agents.