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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be

500 kg
1000 kg
2000 kg
1500 kg

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Hydraulics and Fluid Mechanics in ME
In steady flow of a fluid, the total accele ration of any fluid particle

can be zero
is never zero
is always zero
is independent of coordinates

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Hydraulics and Fluid Mechanics in ME
Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be

2000 kg
8000 kg
4000 kg
1000 kg

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Hydraulics and Fluid Mechanics in ME
A point, in a compressible flow where the velocity of fluid is zero, is called

Critical point
Vena contracta
Stagnation point
None of the listed here

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Hydraulics and Fluid Mechanics in ME
In a free nappe,

The pressure below the nappe is negative
The pressure above the nappe is atmospheric
The pressure below the nappe is atmospheric
The pressure above the nappe is negative

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Hydraulics and Fluid Mechanics in ME
Hydraulic accumulator is used for

Accumulating oil
Supplying energy when main supply fails
Supplying large quantities of oil for very short duration
Generally high pressures to operate hydraulic machines

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