A fluid is termed as the Newtonion fluid, when the shear stress is __________ the velocity gradient.$?

A fluid is termed as the Newtonion fluid, when the shear stress is ___

1.	A fluid is termed as the Newtonion fluid, when the shear stress is __________ the velocity gradient.$?
A.	Independent of
B.	Inversely proportional to
C.	Directly proportional to
D.	None of these
Answer» D. None of these