Question

4.
Which of the following is a characteristic of an ideal fuel?
a. High calorific value
b. High rate of combustion
c. Low ignition temperature
d. Should cause pollution​

Answer 1

Answer: high calorific value

Explanation:

Answer 2

Answer:

1. It should possess high calorific value.

2. It should have proper ignition temperature. The ignition temperature of the fuel should neither be too low nor too high.

3. It should not produce poisonous products during combustion. In other words, it should not cause pollution o combustion.

4. It should have moderate rate of combustion.

5. Combustion should be easily controllable i.e., combustion of fuel should be easy to start or stop as and when required.

6. It should not leave behind much ash on combustion.

7. It should be easily available in plenty.

8. It should have low moisture content.

9. It should be cheap.

10. It should be easy to handle and transport.