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1. |
What is the efficiency of the otto cycle? |
A. | 1 ( frac{1}{r^{ -1}} ) |
B. | 1 r<sup> -1</sup> |
C. | r<sup> -1</sup> |
D. | 1 ( frac{1}{r^{ +1}} ) |
Answer» B. 1 r<sup> -1</sup> | |