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 (Solved)
1. 2
2. 2 0.8
3. 2 0.2
4. 2 0.5
- b. 2 0.8
1. 2
2. 2 0.8
3. 2 0.2
4. 2 0.5