Hydraulics and Fluid Mechanics in ME Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of Lower speed of operation High initial and maintenance cost Lower discharge Necessity of air vessel Lower speed of operation High initial and maintenance cost Lower discharge Necessity of air vessel ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The working of which of the following hydraulic units is based on Pascal's law? Jet pump Hydraulic coupling Hydraulic press Air lift pump Jet pump Hydraulic coupling Hydraulic press Air lift pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure at a point 4 m below the free surface of water is 39.24 kPa 19.24 kPa 49.24 kPa 29.24 kPa 39.24 kPa 19.24 kPa 49.24 kPa 29.24 kPa ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) H × √(2g) 2gH √(2gh) 2g × √H H × √(2g) 2gH √(2gh) 2g × √H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The optimum value of vane exit angle for a centrifugal pump impeller is 20-25° 10-15° 30-40° 50-60° 20-25° 10-15° 30-40° 50-60° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed (Ns) of a centrifugal pump is given by (N√Q)/H5/4 (N√Q)/H3/4 (N√Q)/H (N√Q)/H2/3 (N√Q)/H5/4 (N√Q)/H3/4 (N√Q)/H (N√Q)/H2/3 ANSWER DOWNLOAD EXAMIANS APP
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