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Which fuel has higher thermodynamic efficiency in liquid fuels?

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in Energy Engineering by (91.0k points)
Which fuel has higher thermodynamic efficiency in liquid fuels?

(a) Diesel

(b) Petrol

(c) Kerosene

(d) LPG

I got this question in exam.

Asked question is from Artificial Solid Fuels & Liquid Fuels in chapter Steam Power Plant of Energy Engineering

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Right choice is (a) Diesel

For explanation: Diesel is heavier than kerosene. It has specific gravity ranging from 0.86 to 0.95. It is obtained between 200 to 370^oC. It is used in diesel engine. Diesel engines have found broad use as a result of higher thermodynamic efficiency and fuel efficiency.

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