If compression ratio of an engine working on Otto cycle is increased from 5 to 7, the percentage increase in efficiency will be
A. 2%
B. 4%
C. 8%
D. 14%
Answer:A
If compression ratio of an engine working on Otto cycle is increased from 5 to 7, the percentage increase in efficiency will be
A. 2% B. 4% C. 8% D. 14%
Explanation: None.