1.

Assumptions made for calculation of logarithmic mean temperature difference are(i) Constant overall heat transfer coefficient(ii) The kinetic and potential energy changes are negligible(iii) There is no conduction of heat along the tubes of heat exchangerIdentify the correct statements

A. 1, 2 and 3
B. 1 and 3
C. 1 and 2
D. 2 and 3
Answer» B. 1 and 3


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