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 = π.D.bf.V Q = D.b.Vf Q = π.b.Vf Q = π.D.Vf Q = π.D.bf.V Q = D.b.Vf Q = π.b.Vf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Delivery head of a centrifugal pump is Directly proportional to N Inversely proportional to N² Directly proportional to N² Inversely proportional to N Directly proportional to N Inversely proportional to N² Directly proportional to N² Inversely proportional to N ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of 0.75 1.2 0.8 1 0.75 1.2 0.8 1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The height of a water column equivalent to a pressure of 0.15 MPa is 45.3 m 35.3 m 15.3 m 25.3 m 45.3 m 35.3 m 15.3 m 25.3 m 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 Q/0.75 0.75 Q 1.5 Q Same quantity of liquid Q/0.75 0.75 Q 1.5 Q ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is 1.84(L - 0.1nH)H3/2 1.84(L - nH)H3 1.84(L - nH)H2 1.84(L - 0.1nH)H5/2 1.84(L - 0.1nH)H3/2 1.84(L - nH)H3 1.84(L - nH)H2 1.84(L - 0.1nH)H5/2 ANSWER DOWNLOAD EXAMIANS APP