Formula for compression ratio of the Otto cycle - Thermodynamics

Q.  What is the formula for compression (rk) ratio of the Otto cycle?
- Published on 19 Aug 15

a. rk = Volume of cylinder at the beginning of compression / Volume of cylinder at the end of compression
b. rk = Volume of cylinder at the end of compression / Volume of cylinder at the beginning of compression
c. rk = Volume of cylinder at the end of compression / clearance volume
d. none of the above

ANSWER: rk = Volume of cylinder at the beginning of compression / Volume of cylinder at the end of compression

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