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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to

Half the breadth
Half the depth
Twice the breadth
Twice the depth

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Hydraulics and Fluid Mechanics in ME
A fluid in equilibrium can't sustain

Shear stress
Compressive stress
Bending stress
Tensile stress

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

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

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Hydraulics and Fluid Mechanics in ME
The specific speed of a hydraulic turbine depends upon

Discharge and power developed
Speed, power developed and head of water
Speed and power developed
Speed and head of water

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Hydraulics and Fluid Mechanics in ME
In an external mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta.

More than
Less than
None of these
Equal to

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Hydraulics and Fluid Mechanics in ME
A turbine pump is basically a centrifugal pump equipped additionally with

Adjustable blades
Inlet guide blades
Vaned diffusion casing
Backward curved blades

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