Which of the following equations is valid for laminar flow of a fluid

1.	Which of the following equations is valid for laminar flow of a fluid through packed bed?
A.	Fanning equation
B.	Kozney - Karman equation
C.	Hagen-Poiseuille equation
D.	Blake-Plummer equation
Answer» C. Hagen-Poiseuille equation

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Which of the following equations is valid for laminar flow of a fluid through packed bed?

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