engineering recuitment WBMSC Sub Assistant Engineer Civil Mock Test 2023 Fluid Mechanics Laminar Flow
In a steady flow of an oil in a pipe in the fully developed laminar regime, the shear stress is
1
Constant across the pipe
2
Maximum at the centre and decreases parabolically towards the pipe wall boundary
3
Zero at the boundary and increases linearly towards the centre
4
Zero at the centre and increases towards the pipe wall.