Hydraulics and Fluid Mechanics in ME Delivery head of a centrifugal pump is Inversely proportional to N² Directly proportional to N Directly proportional to N² Inversely proportional to N Inversely proportional to N² Directly proportional to N Directly proportional to N² Inversely proportional to N ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity. IG / Ax̅ below IG / Ax̅ above Ax̅ / IG below Ax̅ / IG above IG / Ax̅ below IG / Ax̅ above Ax̅ / IG below Ax̅ / IG above 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) 1.585 a.√(2gH) 5.85 aH.√(2g) 0.855 a.√(2gH) 1.855 aH.√(2g) 1.585 a.√(2gH) 5.85 aH.√(2g) 0.855 a.√(2gH) 1.855 aH.√(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called Surface tension of liquid Specific gravity of liquid Density of liquid Compressibility of liquid Surface tension of liquid Specific gravity of liquid Density of liquid Compressibility of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The Reynold's number of a ship is __________ to its velocity and length. Square root of velocity Inversely proportional Directly proportional None of these Square root of velocity Inversely proportional Directly proportional None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centrifugal pump preferred for a specific speed between 80 to 160 r.p.m. is High speed with radial flow at outlet Medium speed with radial flow at outlet Slow speed with radial flow at outlet High speed with mixed flow at outlet High speed with radial flow at outlet Medium speed with radial flow at outlet Slow speed with radial flow at outlet High speed with mixed flow at outlet ANSWER DOWNLOAD EXAMIANS APP
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