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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
When the Mach number is more than 6, the flow is called

Sonic flow
Sub-sonic flow
Hyper-sonic flow
Super-sonic flow

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Hydraulics and Fluid Mechanics in ME
Which of the following pump is successfully used for lifting water from deep wells?

Reciprocating pump
Air lift pump
Jet pump
Centrifugal pump

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Hydraulics and Fluid Mechanics in ME
Viscous force is the __________ of shear stress due to viscosity and cross-section area of flow.

Sum
Different
Ratio
Product

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Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the viscous force is called

Froude's number
Euler's number
Weber's number
Reynold's number

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Hydraulics and Fluid Mechanics in ME
If the depth of water in an open channel is less than the critical depth, the flow is called

Turbulent flow
Tranquil flow
Torrential flow
Critical flow

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Hydraulics and Fluid Mechanics in ME
Which of the following turbine is preferred for 0 to 25 m head of water?

Kaplan turbine
None of these
Pelton wheel
Francis turbine

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