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Hydraulics and Fluid Mechanics in ME

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

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

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Hydraulics and Fluid Mechanics in ME
Units of surface tension are

it has no units
both of the above
distance
energy/unit area

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Hydraulics and Fluid Mechanics in ME
Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between

Lift and tangential force
Lift and resultant force
Lift and drag
Drag and resultant force

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Hydraulics and Fluid Mechanics in ME
Bulk modulus of a fluid is the ratio of

Critical velocity to the viscosity of fluid
Increase in pressure to the volumetric strain
Shear stress to shear strain
Increase in volume to the viscosity of fluid

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Hydraulics and Fluid Mechanics in ME
The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as

turbulent flow
one dimensional flow
uniform f^w
steady flow

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Hydraulics and Fluid Mechanics in ME
For manometer, a better liquid combination is one having

lower surface tension
surface tension is no criterion
higher surface tension
high density and viscosity

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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