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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
In a forced vortex, the velocity of flow everywhere within the fluid is

maximum
zero
non-zero finite
minimum

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Hydraulics and Fluid Mechanics in ME
In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice.

One-half
Equal to
One-third
One-fourth

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Hydraulics and Fluid Mechanics in ME
A thick liquid like syrup has a ___ viscosity than a light liquid like water.

Greater
Lesser
None of the listed here
Same

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Hydraulics and Fluid Mechanics in ME
Reaction turbines are used for

Low head
High head and low discharge
Low head and high discharge
High head

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Hydraulics and Fluid Mechanics in ME
The length of a liquid stream while flowing over a weir __________ at the ends of the sill.

None of these
Expands
Contracts
Does not change

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Hydraulics and Fluid Mechanics in ME
Choose the correct relationship

specific gravity = gravity x density
gravity = specific gravity x density
kinematicviscosity = dynamicviscosity x density
dynamicviscosity = kinematicviscosity x density

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