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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Water is _________ liquid.

A compressible
Both A and B
None of these
An incompressible

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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

2ρ ω2 r2
ρ ω2 r2/4
ρ ω2 r2
ρ ω2 r2/2

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Hydraulics and Fluid Mechanics in ME
To avoid an interruption in the flow of a syphon, an air vessel is provided

at the outlet
at the summit
at the inlet
ay nay point between inlet and outlet

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Hydraulics and Fluid Mechanics in ME
Cavitation is caused by

high velocity
low pressure
weak material
high pressure

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Hydraulics and Fluid Mechanics in ME
The stability of a dam is checked for

Overturning of the wall or dam
All of these
Tension at the base
Sliding of the wall or dam

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

unsteady
vortex
steady
laminar

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