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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
For pipes, turbulent flow occurs when Reynolds number is

less than 4000
more than 4000
between 2000 and 4000
less than 2000

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Hydraulics and Fluid Mechanics in ME
In a centrifugal pump casing, the flow of water leaving the

Axial
Radial
Centrifugal
Vortex

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Hydraulics and Fluid Mechanics in ME
Saving of work done and power by fitting an air vessel to single acting reciprocating pump is of the order of

84.8%
49.2%
68.8%
39.2%

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Hydraulics and Fluid Mechanics in ME
If the dynamic viscosity of a fluid is 0.5 poise and specific gravity is 0.5, then the kinematic viscosity of that fluid in stokes is

1
None of these
0.5
0.25

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Hydraulics and Fluid Mechanics in ME
The speed of a turbine runner is

Inversely proportional to H3/2
Directly proportional to H1/2
Inversely proportional to H1/2
Directly proportional to H3/2

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Hydraulics and Fluid Mechanics in ME
The value of mass density in kgsecVm4 for water at 0°C is

1
1000
100
101.9

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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