Heat Transfer on Chemistry related Questions and Answers

Question :   In a heat exchanger, the rate of heat transfer from the hot fluid to the cold fluid 1. varies directly as the area and the LMTD. 2. varies as square of the area 3. directly proportional to LMTD and inversely proportional to the area. 4. none of these. Answer :   1 - varies directly as the area and the LMTD.