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 = D.b.Vf Q = π.D.Vf Q = π.b.Vf Q = π.D.bf.V Q = D.b.Vf Q = π.D.Vf Q = π.b.Vf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length of a pipe is 1 km and its diameter is 20 cm. If the diameter of an equivalent pipe is 40 cm, then its length is 8 km 4 km 20 km 32 km 8 km 4 km 20 km 32 km ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the sub-merged body is called metacentre buoyancy upthrust reaction metacentre buoyancy upthrust reaction ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be Double Eight times Sixteen times Four times Double Eight times Sixteen times Four times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The point at which the resultant pressure on an immersed surface acts, is known as Centre of pressure Centre of depth Centre of gravity Centre of immersed surface Centre of pressure Centre of depth Centre of gravity Centre of immersed surface ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head at entrance in a pipe is (where v = Velocity of liquid in the pipe) 0.375v²/2g v²/2g 0.5v²/2g 0.75v²/2g 0.375v²/2g v²/2g 0.5v²/2g 0.75v²/2g ANSWER DOWNLOAD EXAMIANS APP