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Q. |
The overall heat transfer co-efficient for a shell and tube heat exchanger for clean surfaces is U0 = 400 W/m2.K. The fouling factor after one year of operation is found to be hd0 = 2000W/m2.K. The overall heat transfer co-efficient at this time is |
A. | 1200 W/m2.K |
B. | 894 W/m2.K |
C. | 333 W/m2.K |
D. | 287 W/m2.K |
Answer» C. 333 W/m2.K |
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