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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Casting of a centrifugal pump is designed so as to minimize

Cavitations
Static head
Friction loss
Loss of kinetic energy

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Hydraulics and Fluid Mechanics in ME
An ideal flow of any fluid must satisfy

boundary layer theory
continuity equation
Newton’s law of viscosity
Pascal law

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Hydraulics and Fluid Mechanics in ME
If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be

w/h
wh
h
h/w

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

1000
101.9
1
100

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Hydraulics and Fluid Mechanics in ME
A submerged body is said to be in a stable equilibrium, if its centre of gravity __________ the centre of buoyancy.

None of these
Coincides with
Lies above
Lies below

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Hydraulics and Fluid Mechanics in ME
Specific speed for reaction turbines ranges from

80 to 200
250 to 300
0 to 4.5
10 to 100

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