Hydraulics and Fluid Mechanics in ME
When an ideal fluid flows past a sphere

highest intensity of pressure occurs around the circumference at right angles to flow
lowest pressure intensity occurs at front stagnation point
total drag is zero
lowest pressure intensity occurs at rear stagnation point

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to bring the liquid level from H1 to H2 will be

2A × (√H3/2 - √H3/2)/Cd × a × √(2g)
2A × √H₁/Cd × a × √(2g)
2A × (√H₁ - √H₂)/Cd × a × √(2g)
2A × √H₂/Cd × a × √(2g)

ANSWER DOWNLOAD EXAMIANS APP