The quantity of water flowing in thin cylindrical sheet of thickness – McqOptions

MCQOPTIONS

1.	The quantity of water flowing in thin cylindrical sheet of thickness dr is ____________
A.	\(dq=\frac{hγ_w}{4ηL}(R^2-r^2)2πrdr\)
B.	\(dq=\frac{hγ_w}{4ηL}(R^2-r^2)4πrdr\)
C.	\(dq=\frac{hγ_w}{4ηL}(R^2-r^2)8πrdr\)
D.	\(dq=\frac{hγ_w}{4ηL}(R^2-r^2)12πrdr\)
Answer» B. \(dq=\frac{hγ_w}{4ηL}(R^2-r^2)4πrdr\)

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