Hydraulics and Fluid Mechanics in ME If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be Lower than the surface of liquid The same as the surface of liquid Unpredictable Higher than the surface of liquid Lower than the surface of liquid The same as the surface of liquid Unpredictable Higher than the surface of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy line lies over the hydraulic gradient line by an amount equal to the Pressure head Pressure head - velocity head Velocity head Pressure head + velocity head Pressure head Pressure head - velocity head Velocity head Pressure head + velocity head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is (Assume that boundary layer is entirely laminar) 0.40 cm 0.20 cm 0.05 cm 0.10 cm 0.40 cm 0.20 cm 0.05 cm 0.10 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Head developed by a centrifugal pump depends on Speed Both (A) and (B) above Impeller diameter Fluid density Speed Both (A) and (B) above Impeller diameter Fluid density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Centre of buoyancy always remains below the centre of gravity coincides with the centre of gravity remains above the centre of gravity coincides with the centroid of the volume of fluid displaced remains below the centre of gravity coincides with the centre of gravity remains above the centre of gravity coincides with the centroid of the volume of fluid displaced ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A pressure of 25 m of head of water is equal to 2500 kN/m2 2.5 kN/m2 245 kN/m2 25 kN/m2 2500 kN/m2 2.5 kN/m2 245 kN/m2 25 kN/m2 ANSWER DOWNLOAD EXAMIANS APP