Hydraulics and Fluid Mechanics in ME The cavitation in reaction turbines is avoided, to a great extent by Installing the turbine below the tail race level Using stainless steel runner of the turbine Providing highly polished blades to the runner All of these Installing the turbine below the tail race level Using stainless steel runner of the turbine Providing highly polished blades to the runner All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a hydraulic press is given by (where W = Weight lifted by ram, P = Force applied on plunger, A = Area of ram, and a = Area of plunger) (p/W) × (a/A) (p/W) × (A/a) (W/p) × (a/A) (W/p) × (A/a) (p/W) × (a/A) (p/W) × (A/a) (W/p) × (a/A) (W/p) × (A/a) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, centre of pressure is Could be above or below e.g. depending on density of body and liquid Below be centre of gravity At the centre of gravity Above the centre of gravity Could be above or below e.g. depending on density of body and liquid Below be centre of gravity At the centre of gravity Above the centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An ideal flow of any fluid must satisfy Pascal law continuity equation Newton’s law of viscosity boundary layer theory Pascal law continuity equation Newton’s law of viscosity boundary layer theory ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic gradient line lies over the centre line of the pipe by an amount equal to the Pressure head + velocity head Pressure head Velocity head Pressure head - velocity head Pressure head + velocity head Pressure head Velocity head Pressure head - velocity head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a jet of water (in a direction normal to flow) impinging on a fixed plate inclined at an angle θ with the jet is (waV/g) × sin θ (waV/2g) × sin θ (waV²/g) × sin θ (waV²/2g) × sin 2θ (waV/g) × sin θ (waV/2g) × sin θ (waV²/g) × sin θ (waV²/2g) × sin 2θ ANSWER DOWNLOAD EXAMIANS APP