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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the __________ is called Euler's number.

Pressure force
Viscous force
Elastic force
Surface tension force

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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

Archimedes’s principle
Bernoulli’s theorem
Principle of flotation
Pascal’s law

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Hydraulics and Fluid Mechanics in ME
High specific speed of a pump implies it is

Centrifugal pump
Axial flow pump
Mixed flow pump
Any one of the above

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Hydraulics and Fluid Mechanics in ME
The pressure at a point 4 m below the free surface of water is

19.24 kPa
49.24 kPa
29.24 kPa
39.24 kPa

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Hydraulics and Fluid Mechanics in ME
Axial flow pump is started with its delivery valve

Kept fully open
Kept 50% open
Kept fully closed
Irrespective of any position

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Hydraulics and Fluid Mechanics in ME
The force of buoyancy is always __________ the weight of the liquid displaced by the body.

None of these
More than
Equal to
Less than

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