Hydraulics and Fluid Mechanics in ME The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is ηm = ηm × ηh ηo = ηh × ηm ηh = ηo × ηm None of these ηm = ηm × ηh ηo = ηh × ηm ηh = ηo × ηm None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Equation of continuity is based on the principle of conservation of mass None of these energy momentum mass None of these energy momentum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the flow in an open channel is gradually varied, the flow is said to be Unsteady non-uniform flow Steady uniform flow Unsteady uniform flow Steady non-uniform flow Unsteady non-uniform flow Steady uniform flow Unsteady uniform flow Steady non-uniform flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Multistage centrifugal pumps are used to Pump viscous fluids Give high discharge All of these Produce high heads Pump viscous fluids Give high discharge All of these Produce high heads 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.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 Q = D.b.Vf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific weight of water is 1000 kg/m3 At mean sea level All of the listed here At 4°C temperature At normal pressure of 760 mm At mean sea level All of the listed here At 4°C temperature At normal pressure of 760 mm ANSWER DOWNLOAD EXAMIANS APP
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