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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The increase in pressure at the outer edge of a drum of radius (r) completely filled up with liquid of density (ρ) and rotating at (ω) rad/s is

ρ ω2 r2/4
ρ ω2 r2/2
ρ ω2 r2
2ρ ω2 r2

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Hydraulics and Fluid Mechanics in ME
A Piezometer tube is used only for measuring

Moderate pressure
High pressure
Vacuum pressure
Low pressure

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Hydraulics and Fluid Mechanics in ME
The maximum number of jets, generally, employed in an impulse turbine without jet interference are

Four
Two
Eight
Six

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Hydraulics and Fluid Mechanics in ME
In impulse Turbine, energy available at the inlet is in the form of

Strain Energy
Kinetic energy
None of these
Potential Energy

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Hydraulics and Fluid Mechanics in ME
In an internal mouthpiece, if the jet after contraction does not touch the sides of the mouthpiece, then the mouthpiece is said to be

Running free
Running full
Partially running free
Partially running full

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Hydraulics and Fluid Mechanics in ME
In a centrifugal pump, the liquid enters the pump

At the canter
At the bottom
At the top
From sides

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