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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Flow occurring in a pipeline when a valve is being opened is

vortex
unsteady
laminar
steady

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Hydraulics and Fluid Mechanics in ME
A streamline is defined as the line

of equal yelocity in a flow
parallel to central axis flow
along which the pressure drop is uniform
parallel to outer surface of pipe

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Hydraulics and Fluid Mechanics in ME
A nozzle placed at the end of a water pipe line discharges water at a

High pressure
High velocity
Low pressure
Low velocity

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

Axial
Vortex
Radial
Centrifugal

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Hydraulics and Fluid Mechanics in ME
The pressure at a point in a fluid will not be same in all the directions when the fluid is

viscous
viscous and moving.
inviscous and moving
moving

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Hydraulics and Fluid Mechanics in ME
If velocity is zero over l/3rd of a cross-section and is uniform over remaining 2/3rd of the cross-section, then the correction factor for kinetic energy is

43924
44078
27/8
43892

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