(a) Define the term combustible material? Give two examples of combustible materials. (b) Calorific value of wood is 18,000KJ/Kg. How much of wood required to produce 720,000 KJ of heat energy?

(a) Define the term combustible material? Give two examples of combust

1.	(a) Define the term combustible material? Give two examples of combustible materials. (b) Calorific value of wood is 18,000KJ/Kg. How much of wood required to produce 720,000 KJ of heat energy?
Answer» tion:COMBUSTIBLE material is a solid or liquid than can be easily IGNITED and burned. ... Combustible SOLIDS are those capable of IGNITING and burning. Wood and PAPER are examples of such materials.20 kg