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Q. |
For turbulent flow in a tube, the heat transfer co-efficient is obtained from the DittusBoelter correlation. If the tube diameter is halved and the flow rate is doubled, then the heat transfer co-efficient will change by a factor of |
A. | 1 |
B. | 1.74 |
C. | 6.1 |
D. | 37 |
Answer» C. 6.1 |
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