Hydraulics and Fluid Mechanics in ME Bulk modulus of a fluid is the ratio of Increase in pressure to the volumetric strain Increase in volume to the viscosity of fluid Shear stress to shear strain Critical velocity to the viscosity of fluid Increase in pressure to the volumetric strain Increase in volume to the viscosity of fluid Shear stress to shear strain Critical velocity to the viscosity of fluid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The Bernoulli's equation is based on the assumption that All of these No force except gravity acts on the fluid The velocity of flow is uniform across any cross-section of the pipe There is no loss of energy of the liquid flowing All of these No force except gravity acts on the fluid The velocity of flow is uniform across any cross-section of the pipe There is no loss of energy of the liquid flowing ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece) 5.85 aH.√(2g) 1.855 aH.√(2g) 0.855 a.√(2gH) 1.585 a.√(2gH) 5.85 aH.√(2g) 1.855 aH.√(2g) 0.855 a.√(2gH) 1.585 a.√(2gH) 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 lowest pressure intensity occurs at front stagnation point total drag is zero highest intensity of pressure occurs around the circumference at right angles to flow lowest pressure intensity occurs at rear stagnation point lowest pressure intensity occurs at front stagnation point total drag is zero highest intensity of pressure occurs around the circumference at right angles to flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The speed ratio in case of Francis turbine varies from 1 to 1.5 0.6 to 0.9 0.4 to 0.5 0.15 to 0.3 1 to 1.5 0.6 to 0.9 0.4 to 0.5 0.15 to 0.3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will sink down if Gravitational force is equal to the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid None of these Gravitational force is more than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid None of these Gravitational force is more than the up-thrust of the liquid ANSWER DOWNLOAD EXAMIANS APP