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Q. |
One of the most efficient engines ever developed operates between 2100 k and 700 k. Its actual efficiency is 40%. What percentage of its maximum possible efficiency is this? |
A. | 40% |
B. | 33.30% |
C. | 60% |
D. | Pulsejet |
E. | 66.67% |
Answer» C. 60% |
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