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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The centre of gravity of the volume of the liquid displaced is called

Metacentre
None of the listed here
Centre of pressure
Centre of buoyancy

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Hydraulics and Fluid Mechanics in ME
Which of the following turbine is preferred for 0 to 25 m head of water?

None of these
Pelton wheel
Kaplan turbine
Francis turbine

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Hydraulics and Fluid Mechanics in ME
If the depth of water in an open channel is greater than the critical depth, the flow is called

Torrential flow
Tranquil flow
Turbulent flow
Critical flow

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Hydraulics and Fluid Mechanics in ME
The two important forces for a floating body are

buoyancy, inertial
buoyancy, pressure
buoyancy, gravity
inertial, gravity

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Hydraulics and Fluid Mechanics in ME
The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be

1000 kg
500 kg
1500 kg
2000 kg

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Hydraulics and Fluid Mechanics in ME
The top of the weir over which the water flows is known as

Nappe or vein
Orifice
Sill or crest
None of these

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