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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The Francis formula for the discharge over Cipoletti weir is

1.84 LH
1.84 LH3/2
1.84 LH5/2
1.84 LH1/2

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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

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

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

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Hydraulics and Fluid Mechanics in ME
A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to

1 kg
10 kg
100 kg
1000 kg

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Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the __________ is called Euler's number.

Elastic force
Surface tension force
Viscous force
Pressure force

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Hydraulics and Fluid Mechanics in ME
Differential monometer is used to measure

atmospheric pressure
very low pressure
difference of pressure between two points
pressure in pipes, channels etc

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