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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
To avoid an interruption in the flow of a siphon, an air vessel is provided

At the outlet
At the inlet
At any point between inlet and outlet
At the summit

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Hydraulics and Fluid Mechanics in ME
The coefficient of discharge for an external mouthpiece is

0.855
0.5
0.707
0.375

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Hydraulics and Fluid Mechanics in ME
Which of the following pump is suitable for small discharge and high heads?

Mixed flow pump
Centrifugal pump
Reciprocating pump
Axial flow pump

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Hydraulics and Fluid Mechanics in ME
In an external mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta.

Less than
Equal to
More than
None of these

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Hydraulics and Fluid Mechanics in ME
The intensity of pressure on an immersed surface __________ with the increase in depth.

Does not change
Decreases
None of these
Increases

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Hydraulics and Fluid Mechanics in ME
The pressure of fluid due to hammer blow is

Directly proportional to density of fluid
Inversely proportional to (density)1/2 of fluid
Inversely proportional to density of fluid
Directly proportional to (density)1/2 of fluid

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