Question

What is a fuel ?
Write any two characteristics of a good fuel.​

Answer 1

Answer:

Material such as coal, gas, or oil that is burned to produce heat or power.

An ideal fuel should have the following properties:High calorific value.Moderate ignition temperature.Low moisture content.Low NOn combustible matter.Moderate velocity of combustion.Products of combustion not harmful.Low cost.Easy to transport

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Answer 2

Answer:

fuel :- It could be any substance which can be used to react with any other substance to release energy in the form of heat .

Two characteristics of a good fuel is:-

1.It can produce large amount of energy and heat.

2.It can easily mix up with the air with less pollutants as in (CNG which take out only carbon dioxide and sulphur as outcome.