fuels in gaseous state are generally best.Write three points to justify the statement
Answers
Answer:
Gaseous fuels are best because gaseous fuel has high calorific value and no ash on burning i.e. 100% combustion takes place easily while in solid fuel calorific value is less and ash is remained after burning i.e. complete combustion take place with difficulty.
Explanation:
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Answer:
1. Gaseous fuel produces very little air pollution.
2. The calorific value of gaseous fuel is more than solid and liquid fuels.
3. Gaseous fuels give off a great deal of energy compared with solid as well as liquid fuels.
Explanation:
1. While on combustion gaseous fuel produces very low greenhouse gases such as Methane, Carbon dioxide, etc.
- Hence it causes less air pollution as compared to both solid and liquid fuels.
2. The calorific value is the quantity of heat energy produced when 1kg of fuel is completely burned.
- For example, the calorific value of CNG gas is 50,000kJ/kg while for wood is 22,000kJ/kg and for petrol is 45,000.
- Hence, the calorific value of gaseous fuel is greater than that of the calorific value of solid and liquid gas
3. When a gaseous fuel is burned, it produces a lot of energy.
- It produces no ash, unlike other solid and liquid fuels.
- Furthermore, the ignition temperature of gaseous fuels is higher than that of solid fuels.
From the above justification, it can be concluded that gaseous fuels are generally best than other kinds of fuel.