Question

A substance that has higher calorific value is usually a more economical fuel.

• A. True
• B. False

Answer 1

The correct option is A True

A substance that has a higher calorific value will produce more heat when the same mass or amount is burned compared to a substance which has lower calorific value. In most cases, this corresponds to a more economical fuel (lower cost) when the higher calorific value substance is used.