1.

Heat transfer co-efficient equation for forced convection, Nu = 0.023 Re0.8 . Prn, is not valid, if the value of

A. n = 0.4 is used for heating.
B. n = 0.3 is used for cooling.
C. Reynolds number for the flow involved is > 10000.
D. Reynolds number for the flow involved is < 2100.
Answer» E.


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