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Hydraulics and Fluid Mechanics in ME

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

one dimensional flow
turbulent flow
uniform f^w
steady flow

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Hydraulics and Fluid Mechanics in ME
Discharge of a centrifugal pump is (where N = Speed of the pump impeller)

Directly proportional to N
Inversely proportional to N
Inversely proportional to N²
Directly proportional to N²

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Hydraulics and Fluid Mechanics in ME
Which of the following is not a reaction turbine?

Fourneyron turbine
Pelton wheel
Thomson's turbine
Journal turbine

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Hydraulics and Fluid Mechanics in ME
The flow in which each liquid particle has a definite path and their paths do not cross each other is called

one dimensional flow
turbulent flow
streamline flow
uniform flow

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

N/√H
N/H3/2
N/H²
N/H

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Hydraulics and Fluid Mechanics in ME
In order that flow takes place between two points in a pipeline, the differential pressure between these points must be more than

frictional force
viscosity
All of these
surface friction

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