Hydraulics and Fluid Mechanics in ME The total head of a liquid particle in motion is equal to 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) Potential head - (pressure head + kinetic head) Pressure head + kinetic head + potential head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The optimum value of vane exit angle for a centrifugal pump impeller is 10-15° 20-25° 50-60° 30-40° 10-15° 20-25° 50-60° 30-40° 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
Hydraulics and Fluid Mechanics in ME A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is 9,000 kg 13,500 kg 27,000 kg 18,000 kg 9,000 kg 13,500 kg 27,000 kg 18,000 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to 0.001 0.1 0.0001 0.01 0.001 0.1 0.0001 0.01 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between Lift and tangential force Lift and resultant force Lift and drag Drag and resultant force Lift and tangential force Lift and resultant force Lift and drag Drag and resultant force ANSWER DOWNLOAD EXAMIANS APP
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