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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is

2.5 m
4.0 m
2.4 m
3.0 m

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Hydraulics and Fluid Mechanics in ME
Property of a fluid by which its own molecules are attracted is called

adhesion
compressibility
viscosity
cohesion

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Hydraulics and Fluid Mechanics in ME
Reynold's number is the ratio of the inertia force to the

Elastic force
Surface tension force
Viscous force
Gravity force

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

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

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Hydraulics and Fluid Mechanics in ME
Ratio of inertia force to surface Jension is known as

Reynold’s number
Froude number
Weber’s number
Mach number

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Hydraulics and Fluid Mechanics in ME
The body will float if the force of buoyancy is ___ the weight of the liquid displaced.

Less than
Equal to
None of the listed here
More than

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