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Q. |
A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of |
A. | 2 |
B. | 2 0.8 |
C. | 2 0.2 |
D. | 2 0.5 |
Answer» B. 2 0.8 |
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