Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of a reaction turbine, is the ratio of Actual work available at the turbine to energy imparted to the wheel Work-done on the wheel to the energy (or head of water) actually supplied to the turbine None of these Power produced by the turbine to the energy actually supplied by the turbine Actual work available at the turbine to energy imparted to the wheel Work-done on the wheel to the energy (or head of water) actually supplied to the turbine None of these Power produced by the turbine to the energy actually supplied by the turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow is called super-sonic if the Mach number is between 1 and 6 Velocity of flow is very high Discharge is difficult to measure None of these Mach number is between 1 and 6 Velocity of flow is very high Discharge is difficult to measure None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A streamline is defined as the line of equal yelocity in a flow parallel to outer surface of pipe parallel to central axis flow along which the pressure drop is uniform of equal yelocity in a flow parallel to outer surface of pipe parallel to central axis flow along which the pressure drop is uniform ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Centre of buoyancy always coincides with the centroid of the volume of fluid displaced remains above the centre of gravity remains below the centre of gravity coincides with the centre of gravity coincides with the centroid of the volume of fluid displaced remains above the centre of gravity remains below the centre of gravity coincides with the centre of gravity 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/x̅) - Ax̅ (IG/Ax̅) + x̅ (Ax̅/IG) + x̅ (IG/Ax̅) - x̅ (IG/x̅) - Ax̅ (IG/Ax̅) + x̅ (Ax̅/IG) + x̅ (IG/Ax̅) - x̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity at which the flow changes from laminar flow to turbulent flow is called Super-sonic velocity Velocity of approach Critical velocity Sub-sonic velocity Super-sonic velocity Velocity of approach Critical velocity Sub-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
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