Hydraulics and Fluid Mechanics in ME When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure Increases linearly as its radial distance Increases as the square of the radial distance Varies as the square of the radial distance Decreases as the square of the radial distance Increases linearly as its radial distance Increases as the square of the radial distance Varies as the square of the radial distance Decreases as the square of the radial distance 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) 0.10 cm 0.20 cm 0.05 cm 0.40 cm 0.10 cm 0.20 cm 0.05 cm 0.40 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance) Cc × Cr Cc × Cv Cc/Cr Cv × Cr Cc × Cr Cc × Cv Cc/Cr Cv × Cr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Motion of a liquid in a volute casing of a centrifugal pump is an example of Forced spiral vortex flow Radial Spiral vortex flow Rotational flow Forced spiral vortex flow Radial Spiral vortex flow Rotational flow 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 Velocity head Pressure head - velocity head Pressure head Pressure head + velocity head Velocity head Pressure head - velocity head Pressure head Pressure head + velocity head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For very high discharge at low pressure such as for flood control and irrigation applications, following type of pump is preferred Reciprocating Axial flow Mixed flow Centrifugal Reciprocating Axial flow Mixed flow Centrifugal ANSWER DOWNLOAD EXAMIANS APP
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