Dietus-Boelter equation used for the determination of heat transfer co-efficient is valid

Question: Dietus-Boelter equation used for the determination of heat transfer co-efficient is valid
[A].

for fluids in laminar flow.

[B].

for fluids in tubulent flow.

[C].

when Grashhoff number is very important.

[D].

for liquid metals.

Answer: Option B

Explanation:

No answer description available for this question.