railway DFCCIL Executive 2025 Mock Test Fluid Mechanics Properties of Fluids Newton Law of Viscosity
According to the power-law model, \(\mu = m\;{\left| {\frac{{du}}{{dy}}} \right|^{n - 1}}\). What is the flow behavior index ‘n’ for dilatent fluids?
1
n = 0
2
n = 1
3
n < 1
4
n > 1