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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Which of the following pump is successfully used for lifting water to the turbines?

Jet pump
Air lift pump
Reciprocating pump
Centrifugal pump

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Hydraulics and Fluid Mechanics in ME
In order to avoid cavitation in centrifugal pumps

The delivery pressure should be high
The delivery pressure should be low
The suction pressure should be low
The suction pressure should be high

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Hydraulics and Fluid Mechanics in ME
The eddy viscosity for turbulent flow is

a physical property of the fluid.
dependent on the flow
a function of temperature only
independent of the flow

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Hydraulics and Fluid Mechanics in ME
The horizontal component of buoyant force is

Same as buoyant force
Zero
Negligible
None of these

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Hydraulics and Fluid Mechanics in ME
The runaway speed of a hydraulic turbine is the speed

At which there will be no damage to the runner
At which the turbine will run freely without load
Corresponding to maximum overload permissible
At full load

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Hydraulics and Fluid Mechanics in ME
A structure, whose width is __________ the width of the channel, is called a flumed structure.

Equal
More than
None of these
Less than

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