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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
If the coefficient of discharge is 0.6, then the discharge over a right angled notch is

7.141 H5/2
0.417 H5/2
4.171 H5/2
1.417 H5/2

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Hydraulics and Fluid Mechanics in ME
The centre of pressure acts __________ the centre of gravity of immersed surface.

None of these
At
Below
Above

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Hydraulics and Fluid Mechanics in ME
The pressure of fluid due to hammer blow is

Directly proportional to (density)1/2 of fluid
Inversely proportional to density of fluid
Directly proportional to density of fluid
Inversely proportional to (density)1/2 of fluid

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Hydraulics and Fluid Mechanics in ME
The discharge over the trapezoidal notch is equal to the discharge over the rectangular notch __________ the discharge over the triangular notch.

None of these
Divide
Minus
Plus

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Hydraulics and Fluid Mechanics in ME
The pressure at the summit of a syphon is

less than atmospheric
None of these
equal to atmospheric
more than atmospheric

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Hydraulics and Fluid Mechanics in ME
The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the submerged body is called

Buoyancy
Up-thrust
Reaction
Metacentre

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