Question

What are fuels? Discuss characteristics of good fuel

Answer 1

Answer:

A fuel is any material that can be made to react with other substances so that it releases energy as heat energy or to be used for work.

Characteristics of good fuel are -

1. High calorific value

2. It should be abundantly available on earth

3. It should be economically profitable

4. Low moisture content

5. Easy to transport and store

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Answer 2

Answer:

Good fuel is a fuel with following properties :

• It should be fairly constant.
• It should be easily available.
• The ignition temperature should be above normal temperature.
• It should be conveniently handles and transported.
• It should not produce any poisonous material while burning.
• The combustion rate should be steady and controllable.
• It shouldn't leave any residue after burning.
• A good fuel should have high calorific value.
• Example : LPG and CNG.