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1. |
For Newtonian fluid behaviour, the shear stress exerted by the fluid is equal to the _______. |
A. | Fluid viscosity divided by the velocity gradient parallel to the direction of shear |
B. | Fluid viscosity divided by the velocity gradient perpendicular to the direction of shear |
C. | A product of the fluid viscosity and the velocity gradient parallel to the direction of shear |
D. | Product of the fluid viscosity and the velocity gradient perpendicular to the direction of shear |
Answer» E. | |