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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The overall efficiency for a Pelton wheel lies between

0.50 to 0.65
0.75 to 0.85
0.65 to 0.75
0.85 to 0.90

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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

Mechanical efficiency
Overall efficiency
Volumetric efficiency
Manometric efficiency

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Hydraulics and Fluid Mechanics in ME
The maximum efficiency of transmission through a pipe is

0.5
0.7666
0.567
0.6667

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Hydraulics and Fluid Mechanics in ME
Hydrometer is used to determine

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

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Hydraulics and Fluid Mechanics in ME
In a centrifugal pump casing, the flow of water leaving the impeller, is

Rectilinear flow
Radial flow
Forced vortex
Free vortex motion

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Hydraulics and Fluid Mechanics in ME
In a Francis turbine runner, the numbers of blades are generally between

4 to 8
2 to 4
8 to 16
16 to 24

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