Relation between compression ratio & efficiency of Otto cycle - Thermodynamics

Q.  What is the relation between compression ratio (rk) and the efficiency of the Otto cycle?
- Published on 19 Aug 15

a. efficiency decreases with increase in compression ratio
b. efficiency increases with increase in compression ratio
c. efficiency does not affected by change in compression ratio
d. none of the above

ANSWER: efficiency increases with increase in compression ratio

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