Question

Define the following:
1. Fuel
2.
Calorific value of a fuel
3. Combustion​

Answer 1

Explanation:

The material such as coal, gas, or oil that is burned to produce heat or power is called as fuel.

calorific value (plural calorific values) The amount of energy produced by the complete combustion of a material or fuel. Measured in units of energy per amount of material, e.g. kJ/kg. The amount of energy available from an item of food when digested, mostly from carbohydrates and fats.

The process of burning something is called as combustion.

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Answer 2

Answer:

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1) Fuel -

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. The concept was originally applied solely to those materials capable of releasing chemical energy but has since also been applied to other sources of heat energy such as nuclear energy.

2) Calorific value of Fuel -

1,013 mbar

Fuel Calorific Values. The calorific value of a fuel is the quantity of heat produced by its combustion – at constant pressure and under “normal” (standard) conditions (i.e. to 0oC and under a pressure of 1,013 mbar).

3) Combustion -

Combustion, or burning,[1] is a high-temperature exothermic redox chemical reaction between a fuel (the reductant) and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as smoke.

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