Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2800, is called Lower critical velocity Higher critical velocity Super-sonic velocity Sub-sonic velocity Lower critical velocity Higher critical velocity Super-sonic velocity Sub-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The absolute pressure is equal to Atmospheric pressure - gauge pressure Gauge pressure - vacuum pressure Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure Atmospheric pressure - gauge pressure Gauge pressure - vacuum pressure Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure at a point 4 m below the free surface of water is 19.24 kPa 29.24 kPa 39.24 kPa 49.24 kPa 19.24 kPa 29.24 kPa 39.24 kPa 49.24 kPa ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed from 160 to 500 r.p.m. of a centrifugal pump indicates that the pump is Medium speed with radial flow at outlet High speed with radial flow at outlet High speed with axial flow at outlet Slow speed with radial flow at outlet Medium speed with radial flow at outlet High speed with radial flow at outlet High speed with axial flow at outlet Slow speed with radial flow at outlet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Gauge pressure at a point is equal to the absolute pressure ___ the atmospheric pressure. Plus Multiply Divide Minus Plus Multiply Divide Minus ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a large rectangular orifice is given by (where H1 = Height of the liquid above the top of the orifice, H2 = Height of the liquid above the bottom of the orifice, b = Breadth of the orifice, and Cd = Coefficient of discharge) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) ANSWER DOWNLOAD EXAMIANS APP
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