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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The force present in a moving liquid is

Gravity force
All of these
Inertia force
Viscous force

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Hydraulics and Fluid Mechanics in ME
The bulk modulus of elasticity

is large when fluid is more compressible
is independent of pressure and viscosity
increases with pressure
has the dimensions of 1/pressure

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Hydraulics and Fluid Mechanics in ME
Euler’s dimensionless number relates the following

viscous force and buoyancy force
inertial force and gravity
viscous force and inertial force
pressure force and inertial force

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

Fourneyron turbine
Journal turbine
Pelton wheel
Thomson's turbine

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Hydraulics and Fluid Mechanics in ME
In an external mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta.

Equal to
Less than
None of these
More than

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Hydraulics and Fluid Mechanics in ME
Which of the following is used to measure the discharge ?

hotwire anemometer
current meter
pitot tube
venturimeter

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