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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
For very great pressures, viscosity of moss gases and liquids

decreases
remains same
shows erratic behaviour
increases

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Hydraulics and Fluid Mechanics in ME
Resultant pressure of the liquid in the case of an immersed body acts through

Metacentre
Centre of pressure
Centre of buoyancy
Centre of gravity

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Hydraulics and Fluid Mechanics in ME
The discharge over a rectangular notch is

Directly proportional to H3/2
Inversely proportional to H3/2
Directly proportional to H5/2
Inversely proportional to H5/2

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Hydraulics and Fluid Mechanics in ME
One cubic metre of water weighs

1000 liters
250 liters
100 liters
500 liters

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Hydraulics and Fluid Mechanics in ME
The total pressure on an immersed surface inclined at an angle θ with the liquid surface is

wA
wAx
wAx/sinθ
wx

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

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

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