Heat Transfer

Q.

Heat transfer co-efficient (h) for a fluid flowing inside a clean pipe is given by h = 0.023 K/D `((Dvp)/(mu))^0.8 . ((C_(p mu))/(K))^0.4`
This is valid for the value of NRe equal to

A. . < 2100
B. 2100-4000
C. > 4000
D. > 10000

Answer : Option D

Explanation :