Hydraulics and Fluid Mechanics in ME The total energy line lies over the centre line of the pipe by an amount equal to Velocity head Pressure head Pressure head + velocity head Pressure head - velocity head Velocity head Pressure head Pressure head + velocity head Pressure head - velocity head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called Bernoulli’s theorem Archimedes’s principle Principle of flotation Pascal’s law Bernoulli’s theorem Archimedes’s principle Principle of flotation Pascal’s law 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 = D.b.Vf Q = π.D.bf.V Q = π.b.Vf Q = π.D.Vf Q = D.b.Vf Q = π.D.bf.V Q = π.b.Vf Q = π.D.Vf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be 1000 kg 2000 kg 4000 kg 8000 kg 1000 kg 2000 kg 4000 kg 8000 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of velocity is defined as the ratio of Area of jet at vena contracta to the area of orifice None of these Actual velocity of jet at vena contracta to the theoretical velocity Actual discharge through an orifice to the theoretical discharge Area of jet at vena contracta to the area of orifice None of these Actual velocity of jet at vena contracta to the theoretical velocity Actual discharge through an orifice to the theoretical discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following pump is preferred for flood control and irrigation applications? Reciprocating pump Mixed flow pump Centrifugal pump Axial flow pump Reciprocating pump Mixed flow pump Centrifugal pump Axial flow pump ANSWER DOWNLOAD EXAMIANS APP
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