Hydraulics and Fluid Mechanics in ME The total head of a liquid particle in motion is equal to Potential head - (pressure head + kinetic head) Pressure head + kinetic head + potential head Pressure head - (kinetic head + potential head) Kinetic head - (pressure head + potential head) Potential head - (pressure head + kinetic head) Pressure head + kinetic head + potential head Pressure head - (kinetic head + potential head) Kinetic head - (pressure head + potential head) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a right angled notch is (where H = Height of liquid above the apex of notch) (8/15) Cd. 2g. H5/2 (8/15) Cd. 2g. H3/2 (8/15) Cd. 2g. H² (8/15) Cd. 2g. H (8/15) Cd. 2g. H5/2 (8/15) Cd. 2g. H3/2 (8/15) Cd. 2g. H² (8/15) Cd. 2g. H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Units of surface tension are both of the above distance energy/unit area it has no units both of the above distance energy/unit area it has no units ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a large rectangular orifice is given by (where H1 = Height of the liquid above the top of the orifice, H2 = Height of the liquid above the bottom of the orifice, b = Breadth of the orifice, and Cd = Coefficient of discharge) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in reaction turbines is avoided, to a great extent by Providing highly polished blades to the runner Installing the turbine below the tail race level All of these Using stainless steel runner of the turbine Providing highly polished blades to the runner Installing the turbine below the tail race level All of these Using stainless steel runner of the turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a forced vortex motion, the velocity of flow is directly proportional to its radial distance from axis of rotation inversely proportional to its radial distance from the axis of rotation directly proportional to the square of its radial distance from the axis of rotation inversely proportional to the square of its radial distance from the axis of rotation directly proportional to its radial distance from axis of rotation inversely proportional to its radial distance from the axis of rotation directly proportional to the square of its radial distance from the axis of rotation inversely proportional to the square of its radial distance from the axis of rotation ANSWER DOWNLOAD EXAMIANS APP