Hydraulics and Fluid Mechanics in ME When a cylindrical vessel containing liquid is resolved, the surface of the liquid takes the shape of None of these A paraboloid An ellipse A triangle None of these A paraboloid An ellipse A triangle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Air vessels in reciprocating pump are used to Save pump from cavitations Reduce acceleration to minimum Increase pump efficiency Smoothen flow Save pump from cavitations Reduce acceleration to minimum Increase pump efficiency Smoothen flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2000 is called Sub-sonic velocity Lower critical velocity Higher critical velocity Super-sonic velocity Sub-sonic velocity Lower critical velocity Higher critical velocity Super-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Discharge (Q) of a centrifugal pump is given by (where D = Diameter of impeller at inlet, b = Width of impeller at inlet, and Vf = Velocity of flow at inlet) Q = π.b.Vf Q = D.b.Vf Q = π.D.Vf Q = π.D.bf.V Q = π.b.Vf Q = D.b.Vf Q = π.D.Vf Q = π.D.bf.V ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice) Q = Cd × bH2 × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A body floating in a liquid is said to be in neutral equilibrium, if its metacentre Coincides with its centre of gravity Lies below its centre of gravity Lies above its centre of gravity Lies between the centre of buoyancy and centre of gravity Coincides with its centre of gravity Lies below its centre of gravity Lies above its centre of gravity Lies between the centre of buoyancy and centre of gravity ANSWER DOWNLOAD EXAMIANS APP
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