The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)%!

The pressure drop per unit length for laminar flow of fluid through a

1.	The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)%!
A.	A
B.	D
C.	1/A
D.	1/A¬¨‚â§
Answer» D. 1/A¬¨‚â§