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Higher efficiency in Otto cycle can be achieved by _______

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Higher efficiency in Otto cycle can be achieved by _______

(a) Increasing the compression ratio

(b) Decreasing the compression ratio

(c) Keeping the compression ratio constant

(d) Efficiency does not depend on compression ratio

I had been asked this question during an internship interview.

Origin of the question is Development of IC Engines topic in chapter Internal Combustion Engines of Automobile Engineering

1 Answer

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Correct option is (a) Increasing the compression ratio

To explain: Higher efficiency can be achieved by increasing the compression ratio.

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