Hydraulics and Fluid Mechanics in ME When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called Principle of flotation Archimedes’s principle Pascal’s law Bernoulli’s theorem Principle of flotation Archimedes’s principle Pascal’s law Bernoulli’s theorem ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For centrifugal pump impeller, the maximum value of the vane exit angle is 10° to 15° 15° to 20° 25° to 30° 20° to 25° 10° to 15° 15° to 20° 25° to 30° 20° to 25° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface. Inversely proportional None of these Equal Directly proportional Inversely proportional None of these Equal Directly proportional ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted (in Newton) by a jet of water impinging normally on a fixed plate is (where w = Specific weight of water in N/m3, a = Cross-sectional area of jet in m², and V = Velocity of jet in m/s) waV / g waV² / 2g waV / 2g waV² / g waV / g waV² / 2g waV / 2g waV² / g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The optimum value of vane exit angle for a centrifugal pump impeller is 30-40° 50-60° 10-15° 20-25° 30-40° 50-60° 10-15° 20-25° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The absolute pressure is equal to Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure Atmospheric pressure - gauge pressure Gauge pressure - vacuum pressure Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure Atmospheric pressure - gauge pressure Gauge pressure - vacuum pressure ANSWER DOWNLOAD EXAMIANS APP
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