Hydraulics and Fluid Mechanics in ME The centre of gravity of the volume of the liquid displaced is called Centre of buoyancy None of the listed here Metacentre Centre of pressure Centre of buoyancy None of the listed here Metacentre Centre of pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Centre of buoyancy always coincides with the centre of gravity remains above the centre of gravity remains below the centre of gravity coincides with the centroid of the volume of fluid displaced coincides with the centre of gravity remains above the centre of gravity remains below the centre of gravity coincides with the centroid of the volume of fluid displaced ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Surface tension Is a function of the curvature of the interface Is also known as capillarity Decreases with fall in temperature Acts in the plane of the interface normal to any line in the surface Is a function of the curvature of the interface Is also known as capillarity Decreases with fall in temperature Acts in the plane of the interface normal to any line in the surface ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and ηo = Overall efficiency of the pump) (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Hm) / (Q × ηo) (w Q ηo) / Hm (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Hm) / (Q × ηo) (w Q ηo) / Hm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For small discharge at high pressure, following pump is preferred Reciprocating Centrifugal Mixed flow Axial flow Reciprocating Centrifugal Mixed flow Axial flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum thickness of boundary layer in a pipe of radius r is 2r r r/2 2r r r/2 ANSWER DOWNLOAD EXAMIANS APP
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