Hydraulics and Fluid Mechanics in ME For pipes, turbulent flow occurs when Reynolds number is between 2000 and 4000 less than 4000 more than 4000 less than 2000 between 2000 and 4000 less than 4000 more than 4000 less than 2000 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 hydraulic coupling belongs to the category of Power absorbing machines Energy generating machines Power developing machines Energy transfer machines Power absorbing machines Energy generating machines Power developing machines Energy transfer machines ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed (Ns) of a centrifugal pump is given by (N√Q)/H5/4 (N√Q)/H (N√Q)/H2/3 (N√Q)/H3/4 (N√Q)/H5/4 (N√Q)/H (N√Q)/H2/3 (N√Q)/H3/4 ANSWER DOWNLOAD EXAMIANS APP
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 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 Increases linearly as its radial distance ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For small discharge at high pressure, following pump is preferred Mixed flow Centrifugal Reciprocating Axial flow Mixed flow Centrifugal Reciprocating Axial flow ANSWER DOWNLOAD EXAMIANS APP