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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The viscosity of water at 20°C is

One poise
One centipoise
One centistoke
One stoke

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

More than
Equal to
None of these
Less than

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Hydraulics and Fluid Mechanics in ME
The mercury does not wet the glass. This is due to the property of the liquid known as

Adhesion
Surface tension
Cohesion
Viscosity

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Hydraulics and Fluid Mechanics in ME
When the Venturimeter is inclined, then for a given flow it will show __________ reading.

More
None of these
Less
Same

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Hydraulics and Fluid Mechanics in ME
The discharge of a depressed nappe is 6 to 7 percent __________ that of a free nappe.

Less than
None of these
More than
Equal to

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Hydraulics and Fluid Mechanics in ME
A body floats in stable equilibrium

When its meatcentric height is zero
Metacentre has nothing to do with position of e.g. for determining stability
When the metacentre is above e.g.
When its e.g. is below its center of buoyancy

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