1. Fouling factor for a heat exchanger is given by (where, U1 = heat transfer co-efficient of dirty surface U2 = heat transfer co-efficient of clean surface)



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MCQ->Fouling factor for a heat exchanger is given by (where, U1 = heat transfer co-efficient of dirty surface U2 = heat transfer co-efficient of clean surface)....
MCQ->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 = 2000 W/m2.K. The overall heat transfer co-efficient at this time is....
MCQ->The overall heat transfer coefficient for a shell and tube heat exchanger for clean surface is ‘u_(0)=400 (W)/(m^(2)K)’.The fouling factor after one year of operation is found to be ‘hd_(0)=2000’’(W)/(m^(2)K)’.The overall heat transfer coefficient at this time is....
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