An ideal air standard Otto cycle has a compression ratio of 8.5. If the ratio of the specific heats of air ( ) is 1.4, what is the thermal efficiency (in percentage) of the Otto cycle?

An ideal air standard Otto cycle has a compression ratio of 8.5. If th

1.	An ideal air standard Otto cycle has a compression ratio of 8.5. If the ratio of the specific heats of air ( ) is 1.4, what is the thermal efficiency (in percentage) of the Otto cycle?
A.	575
B.	45.7
C.	52.5
D.	95
Answer» B. 45.7

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An ideal air standard Otto cycle has a compression ratio of 8.5. If the ratio of the specific heats of air ( ) is 1.4, what is the thermal efficiency (in percentage) of the Otto cycle?

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