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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
One horsepower is equal to

75 watts
102 watts
735 watts
550 watts

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Hydraulics and Fluid Mechanics in ME
The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the submerged body is called

Up-thrust
Metacentre
Buoyancy
Reaction

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Hydraulics and Fluid Mechanics in ME
The ratio of the normal force of jet of water on a plate inclined at an angle of 30° as compared to that when the plate is normal to jet, is

1
43832
√2
1/√2

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Hydraulics and Fluid Mechanics in ME
For hypersonic flow, the Mach number is

unity
greater than unity
greater than 2
greater than 4

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Hydraulics and Fluid Mechanics in ME
In order to avoid cavitation in centrifugal pumps

The suction pressure should be high
The suction pressure should be low
The delivery pressure should be low
The delivery pressure should be high

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Hydraulics and Fluid Mechanics in ME
Which of the following pump is successfully used for lifting water from deep wells?

Centrifugal pump
Reciprocating pump
Air lift pump
Jet pump

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