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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
To avoid an interruption in the flow of a syphon, an air vessel is provided

at the summit
ay nay point between inlet and outlet
at the outlet
at the inlet

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Hydraulics and Fluid Mechanics in ME
The cavitation in reaction turbines is avoided, to a great extent by

Using stainless steel runner of the turbine
Installing the turbine below the tail race level
Providing highly polished blades to the runner
All of these

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Hydraulics and Fluid Mechanics in ME
The type of centrifugal pump preferred for a specific speed of 20 r.p.m. is

Slow speed pump with radial flow at outlet
High speed pump with radial flow at outlet
High speed pump with axial flow at outlet
Medium speed pump with radial flow at outlet

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Hydraulics and Fluid Mechanics in ME
One liter of water occupies a volume of

500 cm3
1000 cm3
100 cm3
250 cm3

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Hydraulics and Fluid Mechanics in ME
The hydraulic mean depth or the hydraulic radius is the ratio of

Velocity of flow and area of flow
Wetted perimeter and diameter of pipe
None of these
Area of flow and wetted perimeter

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Hydraulics and Fluid Mechanics in ME
The discharge over a triangular notch is

Directly proportional to H5/2
Inversely proportional to H3/2
Directly proportional to H3/2
Inversely proportional to H5/2

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