Pick out the correct statement pertaining to transition/ entrance length in fluid flow ?

A. al to 50 D

B. All A., B. and C.

C. 5. D.NRe

D. The length of entrance region of pipe, in which full development of fluid flow takes place

E. h that velocity profile does not change downstream, is called the transition length

F. Transition length for turbulent flow of Newtonian fluids in a smooth pipe of diameter d is

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