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.b.Vf Q = D.b.Vf Q = π.D.bf.V Q = π.D.Vf Q = π.b.Vf Q = D.b.Vf Q = π.D.bf.V Q = π.D.Vf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of the inertia force to the viscous force is called Froude's number Weber's number Reynold's number Euler's number Froude's number Weber's number Reynold's number Euler's number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For manometer, a better liquid combination is one having lower surface tension higher surface tension surface tension is no criterion high density and viscosity lower surface tension higher surface tension surface tension is no criterion high density and viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel. 0.34 times 0.67 times 0.81 times 0.95 times 0.34 times 0.67 times 0.81 times 0.95 times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm² and a volume of 0.039 m3 at 150 kg/cm². The bulk modulus of elasticity of liquid is 400 kg/cm² 40 × 10⁶ kg/cm² 40 × 10⁵ kg/cm² 4000 kg/cm² 400 kg/cm² 40 × 10⁶ kg/cm² 40 × 10⁵ kg/cm² 4000 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reynolds number is significant in supersonics, as with projectile and jet propulsion full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls All of these supersonics, as with projectile and jet propulsion full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls All of these ANSWER DOWNLOAD EXAMIANS APP