Hydraulics and Fluid Mechanics in ME The total head of a liquid particle in motion is equal to Potential head - (pressure head + kinetic head) Kinetic head - (pressure head + potential head) Pressure head + kinetic head + potential head Pressure head - (kinetic head + potential head) Potential head - (pressure head + kinetic head) Kinetic head - (pressure head + potential head) Pressure head + kinetic head + potential head Pressure head - (kinetic head + potential head) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to Archimedes’ principle Equilibrium of a floating body Buoyancy Bernoulli’s theorem Archimedes’ principle Equilibrium of a floating body Buoyancy Bernoulli’s theorem ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be Maximum Zero Could be any value Minimum Maximum Zero Could be any value Minimum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by H = Hg × hf H = Hg - hf H = Hg/hf H = Hg + hf H = Hg × hf H = Hg - hf H = Hg/hf H = Hg + hf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The shear stress between the two liquid layers is __________ proportional to the distance between two layers. None of these Both A and B Inversely Directly None of these Both A and B Inversely Directly ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an ideal fluid flows past a sphere lowest pressure intensity occurs at rear stagnation point highest intensity of pressure occurs around the circumference at right angles to flow total drag is zero lowest pressure intensity occurs at front stagnation point lowest pressure intensity occurs at rear stagnation point highest intensity of pressure occurs around the circumference at right angles to flow total drag is zero lowest pressure intensity occurs at front stagnation point ANSWER DOWNLOAD EXAMIANS APP
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