Hydraulics and Fluid Mechanics in ME The maximum thickness of boundary layer in a pipe of radius r is r/2 2r r r/2 2r r ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The point at which the resultant pressure on an immersed surface acts, is known as Centre of depth Centre of pressure Centre of immersed surface Centre of gravity Centre of depth Centre of pressure Centre of immersed surface Centre of gravity ANSWER DOWNLOAD EXAMIANS APP
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 rear stagnation point total drag is zero lowest pressure intensity occurs at front stagnation point highest intensity of pressure occurs around the circumference at right angles to flow lowest pressure intensity occurs at rear stagnation point total drag is zero lowest pressure intensity occurs at front stagnation point ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in which the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, is known as turbulent flow one dimensional flow steady flow uniform flow turbulent flow one dimensional flow steady flow uniform flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a Pelton wheel working under constant head ________ with the increase in power. Decreases Increases Remain same None of these Decreases Increases Remain same None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Centre of buoyancy always coincides with the centroid of the volume of fluid displaced remains above the centre of gravity coincides with the centre of gravity remains below the centre of gravity coincides with the centroid of the volume of fluid displaced remains above the centre of gravity coincides with the centre of gravity remains below the centre of gravity ANSWER DOWNLOAD EXAMIANS APP
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