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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The resultant upward pressure of the fluid on an immersed body is called

buoyancy
all the above are correct
center of pressure
upthrust

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Hydraulics and Fluid Mechanics in ME
The discharge through a channel of rectangular section will be maximum, if

Its breadth is twice the depth
Its depth is thrice the breadth
Its breadth is thrice the depth
Its depth is twice the breadth

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Hydraulics and Fluid Mechanics in ME
The force per unit length is the unit of

Capillarity
Compressibility
Surface tension
Viscosity

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Hydraulics and Fluid Mechanics in ME
The force exerted (in Newton) by a jet of water impinging normally on a fixed plate is (where w = Specific weight of water in N/m3, a = Cross-sectional area of jet in m², and V = Velocity of jet in m/s)

waV² / 2g
waV / g
waV² / g
waV / 2g

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Hydraulics and Fluid Mechanics in ME
The specific weight of sea water is __________ that of pure water.

More than
Less than
Same as
None of these

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Hydraulics and Fluid Mechanics in ME
Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be

8000 kg
1000 kg
4000 kg
2000 kg

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