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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 [Wrong Answer] |
B. | 20.8 [Correct Answer] |
C. | 20.2 [Wrong Answer] |
D. | 20.5 [Wrong Answer] |