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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The center of gravity of the volume of the liquid displaced by an immersed body is called

center of gravity
metacentre
center of pressure
center of buoyancy

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Hydraulics and Fluid Mechanics in ME
Newton’s law of viscosity relates

viscosity and rate of angular deformation
shear stress and rate of angular deformation
shear stress, viscosity and temperature
intensity of pressure and rate of angular deformation

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Hydraulics and Fluid Mechanics in ME
A jet of water discharging from a 40 mm diameter orifice has a diameter of 32 mm at its vena contracta. The coefficient of contraction is

0.46
0.78
0.87
0.64

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Hydraulics and Fluid Mechanics in ME
In a forced vortex, the velocity of flow everywhere within the fluid is

non-zero finite
maximum
minimum
zero

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Hydraulics and Fluid Mechanics in ME
Equation of continuity is based on the principle of conservation of

None of these
energy
momentum
mass

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Hydraulics and Fluid Mechanics in ME
The unit discharge through the turbine is

Q/√H
Q/H²
Q/H3/2
Q/H

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