Hydraulics and Fluid Mechanics in ME Which of the following is dimensionless? Specific volume Specific speed Specific weight Specific gravity Specific volume Specific speed Specific weight Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity at which the laminar flow stops, is known as Higher critical velocity Velocity of approach Lower critical velocity None of these Higher critical velocity Velocity of approach Lower critical velocity None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to 0.1 0.0001 0.001 0.01 0.1 0.0001 0.001 0.01 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH2 × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The buoyancy depends upon the Compressibility of the liquid Viscosity of the liquid Pressure with which the liquid is displaced Weight of the liquid displaced Compressibility of the liquid Viscosity of the liquid Pressure with which the liquid is displaced Weight of the liquid displaced ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called Newton's law of resistance Newton's law of motion Newton's law of cooling Newton's law of viscosity Newton's law of resistance Newton's law of motion Newton's law of cooling Newton's law of viscosity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS