Name a non-renewable source of energy other than fossil fuels.
Define calorific value of a fuel.
“The calorific value of cooking gas (LPG) is 50 kj/g”. What does it mean?
Which of the following produces more heat (per unit mass) on burning? Coal or LPG
Define ignition temperature of a fuel.
“The ignition temperature of a fuel is 800 C”. What does this mean?
Fill in the following blank with a suitable word:
The amount of heat produced by burning a unit mass of a fuel completely is known as its---value.