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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
An opening in the side of a tank or vessel such that the liquid surface with the tank is below the top edge of the opening, is called

Orifice
Weir
Notch
None of these

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Hydraulics and Fluid Mechanics in ME
A weir is said to be broad crested weir, if the width of the crest of the weir is ________ half the height of water above the weir crest.

None of these
More than
Equal to
Less than

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Hydraulics and Fluid Mechanics in ME
For manometer, a better liquid combination is one having

surface tension is no criterion
higher surface tension
lower surface tension
high density and viscosity

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

All of these
Gravity force
Inertia force
Viscous force

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Hydraulics and Fluid Mechanics in ME
Maximum impulse will be developed in hydraulic ram when

Supply pipe is long
Waste valve closes suddenly
Supply pipe is short
Ram chamber is large

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Hydraulics and Fluid Mechanics in ME
In a free vortex motion, the radial component of velocity everywhere is

non-zero and finite
maximum
minimum
zero

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