Heat transfer co-efficient equation for forced convection, Nu = 0.023 Re 0.8 . Pr n , 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

Heat transfer co-efficient equation for forced convection, Nu =
0.023 Re
0.8
. Pr
n
, 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
by

1 Answer

Answer :

(D) Reynolds number for the flow involved is < 2100
by

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