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.Vf 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow in which the volume of a fluid and its density does not change during the flow is called _________ flow. Compressible Viscous Incompressible None of these Compressible Viscous Incompressible None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a siphon spillway is Cd × a × √(2g) × H2 Cd × a × √(2gH) Cd × a × √(2g) × H5/2 Cd × a × √(2g) × H3/2 Cd × a × √(2g) × H2 Cd × a × √(2gH) Cd × a × √(2g) × H5/2 Cd × a × √(2g) × H3/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge Same quantity of liquid 1.5 Q Q/0.75 0.75 Q Same quantity of liquid 1.5 Q Q/0.75 0.75 Q ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The major loss of energy in long pipes is due to friction sudden enlargement sudden contraction gradual contraction or enlargement friction sudden enlargement sudden contraction gradual contraction or enlargement ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Maximum impulse will be developed in hydraulic ram when Supply pipe is long Waste valve closes suddenly Supply pipe is short Ram chamber is large Supply pipe is long Waste valve closes suddenly Supply pipe is short Ram chamber is large ANSWER DOWNLOAD EXAMIANS APP
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