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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is ap-proximately

10 mm
5 mm
30 mm
20 mm

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Hydraulics and Fluid Mechanics in ME
When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is

1.84(L - nH)H2
1.84(L - 0.1nH)H3/2
1.84(L - nH)H3
1.84(L - 0.1nH)H5/2

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Hydraulics and Fluid Mechanics in ME
To avoid an interruption in the flow of a siphon, an air vessel is provided

At any point between inlet and outlet
At the inlet
At the outlet
At the summit

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Hydraulics and Fluid Mechanics in ME
The length of a liquid stream while flowing over a weir __________ at the ends of the sill.

Contracts
Does not change
None of these
Expands

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Hydraulics and Fluid Mechanics in ME
Bernoulli's equation is applied to

Venturimeter
Pitot tube
Orifice meter
All of the listed here

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Hydraulics and Fluid Mechanics in ME
A manometer is used to measure

Pressure in Venturimeter
Pressure in pipes and channels
Difference of pressures between two points in a pipe
Atmospheric pressure

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