Internal Combustion Engines - Mechanical Engineering Questions and Answers

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The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats)

1 - rγ - 1

1 + rγ - 1

1 - (1/rγ - 1)

None of these

Answer : Option C

Explanation :

The air standard efficiency of an I.C. engine is given by 1 - (1/rγ - 1) where r = Compression ratio, γ = Ratio of specific heats

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