Hydraulics and Fluid Mechanics in ME The discharge over a rectangular notch is Directly proportional to H5/2 Directly proportional to H3/2 Inversely proportional to H3/2 Inversely proportional to H5/2 Directly proportional to H5/2 Directly proportional to H3/2 Inversely proportional to H3/2 Inversely proportional to H5/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface) (IG/Ax̅) + x̅ (Ax̅/IG) + x̅ (IG/x̅) - Ax̅ (IG/Ax̅) - x̅ (IG/Ax̅) + x̅ (Ax̅/IG) + x̅ (IG/x̅) - Ax̅ (IG/Ax̅) - x̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Francis turbine is used when the available head of water is Above 250 m 0 to 25 m None of these 25 m to 250 m Above 250 m 0 to 25 m None of these 25 m to 250 m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the surface of liquid is convex, men Cohesion pressure is decreased There is no cohesion pressure Cohesion pressure is negligible Cohesion pressure is increased Cohesion pressure is decreased There is no cohesion pressure Cohesion pressure is negligible Cohesion pressure is increased ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of actual work available at the turbine to the energy imparted to the wheel is known as ________ efficiency. Hydraulic Mechanical None of these Overall Hydraulic Mechanical None of these Overall ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following is dimensionless? Specific weight Specific speed Specific gravity Specific volume Specific weight Specific speed Specific gravity Specific volume ANSWER DOWNLOAD EXAMIANS APP