Hydraulics and Fluid Mechanics in ME The optimum value of vane exit angle for a centrifugal pump impeller is 10-15° 50-60° 20-25° 30-40° 10-15° 50-60° 20-25° 30-40° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For very great pressures, viscosity of moss gases and liquids shows erratic behaviour remains same increases decreases shows erratic behaviour remains same increases decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For laminar flow in circular pipes, the Darcy’s friction factor f is equal to 32/ Re 64/ Re None of these 16/Re 32/ Re 64/ Re None of these 16/Re ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A channel is said to be of most economical cross-section, if All of these It gives maximum discharge for a given cross-sectional area and bed slope It has minimum wetted perimeter It involves lesser excavation for the designed amount of discharge All of these It gives maximum discharge for a given cross-sectional area and bed slope It has minimum wetted perimeter It involves lesser excavation for the designed amount of discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of turbine is defined as the speed of a unit Of such a size that it delivers unit discharge at unit power Of such a size that it delivers unit discharge at unit head Of such a size that it produces unit horse power with unit head Of such a size that it requires unit power per unit head Of such a size that it delivers unit discharge at unit power Of such a size that it delivers unit discharge at unit head Of such a size that it produces unit horse power with unit head Of such a size that it requires unit power per unit head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Saving of work done and power by fitting an air vessel to single acting reciprocating pump is of the order of 49.2% 84.8% 39.2% 68.8% 49.2% 84.8% 39.2% 68.8% ANSWER DOWNLOAD EXAMIANS APP
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