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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The discharge through a siphon spillway is

Cd × a × √(2g) × H3/2
Cd × a × √(2g) × H5/2
Cd × a × √(2g) × H2
Cd × a × √(2gH)

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Hydraulics and Fluid Mechanics in ME
The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is

0.116 stoke
0.0611 stoke
0.611 stoke
0.0116 stoke

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Hydraulics and Fluid Mechanics in ME
The sheet of water flowing over a notch or a weir is known as

Nappe or vein
Sill or crest
None of these
Orifice

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Hydraulics and Fluid Mechanics in ME
With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will

Increase
Decrease
Remain unchanged
Depend upon the characteristics of liquid

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Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel containing liquid is resolved, the surface of the liquid takes the shape of

A triangle
An ellipse
A paraboloid
None of these

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Hydraulics and Fluid Mechanics in ME
A vertically immersed surface is shown in the below figure. The distance of its centre of pressure from the water surface is

b²/12 + x̅
(d²/12 x̅) + x̅
(bd²/12) + x̅
d²/12 + x̅

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