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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
  • Correct Answer - Option(C)
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  • Filed under category Heat Transfer
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