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Q. |
Thermal efficiency of most of the internal combustion engines lies in the range |
A. | 50 to 75 percent |
B. | 90 to 100 percent |
C. | 20 to 35 percent |
D. | 75 to 90 percent |
E. | 35 to 50 percent |
Answer» C. 20 to 35 percent |
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