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Long answer the following question:
The calorific values of petrol and CNG are 45000 kJ/kg and 50,000 kJ/kg, respectively. If you have vehicle which can run on petrol as well as CNG, which fuel will you prefer and why?
We will prefer CNG (Compressed Natural Gas) because of
- the calorific value of CNG is than that of petrol.
- CNG will produce a vast amount of energy than petrol.
- At the same time, it produces air pollutants; hence, it is cleaner.
- CNG will be more economical.
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