For the following questions answer them individually
With the same cross-sectional area and placed in the turbulent flow, the largest drag will be experienced by
A rectangular tank of square cross-section (2m × 2m) and height 4 m is completely filled up with a liquid. The ratio of total hydrostatic force on any vertical wall to its bottom is
For viscous flow between two parallel plates, the pressure drop per unit length is equal to
The unit discharge $$Q_{u}$$ and unit speed $$N_{u}$$ curve for a turbine is shown in figure, curve B is for