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

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Hydraulics and Fluid Mechanics in ME
Which of the following is an example of laminar flow?

Flow past tiny bodies
All of these
Flow of oil in measuring instruments
Underground flow

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Hydraulics and Fluid Mechanics in ME
If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be

5 meters of water column
6 meters of water Column
2 meters of water column
3 meters of water column

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Hydraulics and Fluid Mechanics in ME
The total energy of each particle at various places in the case of perfect incompressible fluid flowing in continuous stream

May increase/decrease
Keeps on increasing
Keeps on decreasing
Remain constant

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Hydraulics and Fluid Mechanics in ME
Center of pressure compared to e.g. is

Below it
Above or below depending on area of body
At same point
Above it

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Hydraulics and Fluid Mechanics in ME
The force present in a moving liquid is

All of these
Inertia force
Gravity force
Viscous force

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