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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A weir, generally, used as a spillway of a dam is

Narrow crested weir
Submerged weir
Ogee weir
Broad crested weir

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Hydraulics and Fluid Mechanics in ME
If a body floating in a liquid occupies a new position and remains at rest in this new position, when given a small angular displacement, the body is said to be in __________ equilibrium.

Unstable
None of these
Stable
Neutral

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Hydraulics and Fluid Mechanics in ME
Property of a fluid by which molecules of different kinds of fluids are attracted to each other is called

cohesion
compressibility
viscosity
adhesion

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Hydraulics and Fluid Mechanics in ME
When the flow parameters at any given instant remain same at every point, then flow is said to be

laminar
steady state
uniform
quasi static

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Hydraulics and Fluid Mechanics in ME
In a Francis turbine runner, the numbers of blades are generally between

16 to 24
2 to 4
8 to 16
4 to 8

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Hydraulics and Fluid Mechanics in ME
The variation in the volume of a liquid with the variation of pressure is called its

Capillarity
Surface tension
Compressibility
Viscosity

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