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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is

0.83
0.6
0.4
0.3

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Hydraulics and Fluid Mechanics in ME
A structure used to dam up a stream or river over which the water flows is called

Orifice
Dam
Weir
Notch

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Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the elastic force is called

Reynold's number
Mach number
Weber's number
Froude's number

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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
Bernoulli's equation is applied to

Orifice meter
Venturimeter
Pitot tube
All of the listed here

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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 sub-merged body is called

buoyancy
metacentre
upthrust
reaction

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