Hydraulics and Fluid Mechanics in ME The optimum value of vane exit angle for a centrifugal pump impeller is 30-40° 20-25° 10-15° 50-60° 30-40° 20-25° 10-15° 50-60° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A jet of water is striking at the centre of a curved vane moving with a uniform velocity in the direction of jet. For the maximum efficiency, the vane velocity is ________ of the jet velocity Two-third One-third Three-fourth One-half Two-third One-third Three-fourth One-half ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Falling drops of water become spheres due to the property of surface tension adhesion cohesion viscosity surface tension adhesion cohesion viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A turbine is required to develop 1500 kW at 300 r.p.m. under a head of 150 m. Which of the following turbine should be used? Pelton wheel with two or more nozzles Kaplan turbine Francis turbine Pelton wheel with one nozzle Pelton wheel with two or more nozzles Kaplan turbine Francis turbine Pelton wheel with one nozzle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In reaction turbine, draft tube is used To transport water downstream without eddies To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section To increase flow rate For safety of turbine To transport water downstream without eddies To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section To increase flow rate For safety of turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME One stoke is equal to 10-4 m2/s 10-3 m2/s 10-6 m2/s 10-2 m2/s 10-4 m2/s 10-3 m2/s 10-6 m2/s 10-2 m2/s ANSWER DOWNLOAD EXAMIANS APP