Which of the following is/are the characteristic(s) of a good fuel?
Answer & explanation
Correct answer: option 4
The correct answer is option 4. All of these.
Sources of heat energy for domestic and industrial purposes are mainly wood, charcoal, petrol, kerosene etc. These substances are called fuels.
A good fuel is one which is readily available.
It is cheap.
It burns easily in air at a moderate rate.
It produces a large amount of heat.
It does not leave behind any undersirable substances.