Which of the following is not a characteristic of an ideal fuel?
1. It has a high calorific value.
2. It burns easily in air at a moderate rate.
3. It has a very low ignition temperature.
4. It does not produce any harmful gases or leaves any residue after burning.
5. It should be cheap, readily available and easy to transport.
Answers
Answer:
2.It burns easily in air at moderate rate.
Answer:
It has a very low ignition temperature.
Explanation:
The term "ignition temperature" refers to the highest temperature at which a substance can sustain an open flame without being destroyed. The temperature at which a fuel is most likely to ignite successfully is somewhere in the centre. When the temperature at which the material may be ignited is high, it will be difficult to light the substance. The perfect fuel would have a high calorific value, which indicates that it would generate more heat from a given quantity of fuel than it would require to produce that heat. An ideal fuel would possess a variety of desirable characteristics, such as the capability to generate less smoke during the combustion process and the capacity to be delivered with a minimum of difficulty.
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