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Chemical Engineering · Q43

Heat Transfer

Engineering and GATE · Chemical Engineering · question 43

Q43

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

Answer: Option D

Solution

Answer: Option D
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