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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
center of pressure
all the above are correct
upthrust

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Hydraulics and Fluid Mechanics in ME
The velocity distribution for laminar flow through a circular tube

is constant over the cross-section
varies linearly from zero at walls to maximum at centre
varies parabolically with maximum at the centre
None of these

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Hydraulics and Fluid Mechanics in ME
Coefficient of velocity of venturimeter

decreases with higher Reynolds number
is independent of Reynolds number
is equal to the coefficient of discharge of venturimeter
None of these

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Hydraulics and Fluid Mechanics in ME
The volumetric change of the fluid caused by a resistance is known as

Compressibility
Volumetric strain
Adhesion
Volumetric index

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Hydraulics and Fluid Mechanics in ME
The shear stress-strain graph for a Newtonian fluid is a

Straight line
Elliptical
Parabolic curve
Hyperbolic curve

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Hydraulics and Fluid Mechanics in ME
If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water

51 cm
50 cm
52 cm
52.2 cm

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