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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Hydrometer is used to determine

relative humidity
specific gravity of solids
specific gravity of liquids
specific gravity of gases

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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
When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as

Narrow-crested weir
Broad-crested weir
Ogee weir
Submerged weir

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Hydraulics and Fluid Mechanics in ME
The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as

one dimensional flow
turbulent flow
steady flow
uniform f^w

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Hydraulics and Fluid Mechanics in ME
The dynamic viscosity of the liquid __________ with rise in temperature.

Increases
None of these
Remain unaffected
Decreases

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Hydraulics and Fluid Mechanics in ME
The velocity of jet of water travelling out of opening in a tank filled with water is proportional to

head of water (h)
V/T
h2
h2

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