Hydraulics and Fluid Mechanics in ME Casting of a centrifugal pump is designed so as to minimize Static head Cavitations Friction loss Loss of kinetic energy Static head Cavitations Friction loss Loss of kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The surface tension of mercury at normal temperature is __________ that of water. Lower than Higher than None of these Same as Lower than Higher than None of these Same as ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Water is _________ liquid. A compressible Both A and B None of these An incompressible A compressible Both A and B None of these An incompressible ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow ratio in case of Francis turbine varies from 0.6 to 0.9 0.15 to 0.3 1 to 1.5 0.4 to 0.5 0.6 to 0.9 0.15 to 0.3 1 to 1.5 0.4 to 0.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be 3 meters of water column 5 meters of water column 6 meters of water Column 2 meters of water column 3 meters of water column 5 meters of water column 6 meters of water Column 2 meters of water column ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece) 5.85 aH.√(2g) 0.855 a.√(2gH) 1.585 a.√(2gH) 1.855 aH.√(2g) 5.85 aH.√(2g) 0.855 a.√(2gH) 1.585 a.√(2gH) 1.855 aH.√(2g) ANSWER DOWNLOAD EXAMIANS APP
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