Hydraulics and Fluid Mechanics in ME The optimum value of vane exit angle for a centrifugal pump impeller is 30-40° 10-15° 50-60° 20-25° 30-40° 10-15° 50-60° 20-25° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a forced vortex motion, the velocity of flow is 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 directly proportional to its radial distance from axis of rotation inversely proportional to its radial distance from the axis of rotation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow whose streamline is represented by a curve, is called One-dimensional flow Two-dimensional flow Three-dimensional flow Four-dimensional flow One-dimensional flow Two-dimensional flow Three-dimensional flow Four-dimensional flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Flow occurring in a pipeline when a valve is being opened is unsteady steady vortex laminar unsteady steady vortex laminar ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic grade line is never above the energy grade line All of these always above the centre line of pipe always sloping downward in the direction of flow never above the energy grade line All of these always above the centre line of pipe always sloping downward in the direction of flow 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 (IG/Ax̅) - x̅ (Ax̅/IG) + x̅ (IG/x̅) - Ax̅ (IG/Ax̅) + x̅ (IG/Ax̅) - x̅ (Ax̅/IG) + x̅ (IG/x̅) - Ax̅ ANSWER DOWNLOAD EXAMIANS APP