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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The optimum value of vane exit angle for a centrifugal pump impeller is

10-15°
30-40°
20-25°
50-60°

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Hydraulics and Fluid Mechanics in ME
A flow in which each liquid particle has a definite path, and the paths of individual particles do not cross each other, is called

Steady flow
Streamline flow
Turbulent flow
Uniform flow

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Hydraulics and Fluid Mechanics in ME
The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to

21000
2700
2100
10000

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Hydraulics and Fluid Mechanics in ME
A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is

0.6
0.3
0.83
0.4

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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 summit
At the inlet
At the outlet

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Hydraulics and Fluid Mechanics in ME
Density of water is maximum at

100°C
0°K
4°C
0°C

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