Which among the following is considered as the cleanest fuel?
A
Cow dung cake
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B
Petrol
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C
Kerosene
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D
LPG
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Solution
The correct option is D LPG
Liquefied Petroleum Gas is
considered as cleanest fuel because of the following reasons:
LPG has a high calorific value.
The calorific value of LPG is about 50 KJ/g.
It is very neat and clean
domestic fuel. LPG burns with a blue smokeless flame and leaves no ash behind.
So, it does not cause any pollution. Therefore, LPG is a clean fuel.
It does not produce any poisonous
gases on combustion.
LPG is easy to handle and
convenient to store.
LPG is easy to handle and can be
ignited almost instantaneously.