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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Hydrometer is used to determine

specific gravity of solids
specific gravity of liquids
specific gravity of gases
relative humidity

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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

8000 kg
1000 kg
2000 kg
4000 kg

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Hydraulics and Fluid Mechanics in ME
Specific speed for reaction turbines ranges from

250 to 300
80 to 200
10 to 100
0 to 4.5

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Hydraulics and Fluid Mechanics in ME
An ideal flow of any fluid must satisfy

Newton’s law of viscosity
Pascal law
continuity equation
boundary layer theory

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Hydraulics and Fluid Mechanics in ME
The ratio of quantity of liquid discharged per second from the pump to the quantity of liquid passing per second through the impeller is known as

Manometric efficiency
Mechanical efficiency
Volumetric efficiency
Overall efficiency

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Hydraulics and Fluid Mechanics in ME
Liquids

Are not affected by change in pressure and temperature
None of the listed here
Cannot be compressed
Occupy definite volume

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