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If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the %age increase in efficiency will be _____.
If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the %age increase in efficiency will be _____.
(a) 2%
(b) 4%
(c) 8%
(d) 14%
(e) 27%.
Ans: d
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