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Hydraulics and Fluid Mechanics in ME

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
43892
44078
27/8

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Hydraulics and Fluid Mechanics in ME
Which of the following meters is not associated with viscosity

Engler
Say bolt
Orsat
Red wood

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Hydraulics and Fluid Mechanics in ME
The jet ratio is defined as the ratio of the

Diameter of jet to the diameter of Pelton wheel
Velocity of Pelton wheel to the velocity of jet
Diameter of Pelton wheel to the diameter of jet
Velocity of jet to the velocity of Pelton wheel

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Hydraulics and Fluid Mechanics in ME
A balloon lifting in air follows the following principle

principle of buoyancy
All of these
law of gravitation
Archimedes principle

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Hydraulics and Fluid Mechanics in ME
The hydraulic mean depth for a circular pipe of diameter (d) is

d/6
d
d/4
d/2

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

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

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