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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?

Air lift pump
Centrifugal pump
Jet pump
Reciprocating pump

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Hydraulics and Fluid Mechanics in ME
The coefficient of discharge in case of internal mouthpiece is __________ that of external mouthpiece.

Less than
None of these
Equal to
More than

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Hydraulics and Fluid Mechanics in ME
The siphon will work satisfactorily, if the minimum pressure in the pipe is __________ vapour pressure of liquid.

More than
Equal to
Less than
None of these

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Hydraulics and Fluid Mechanics in ME
Kinematic viscosity is equal to

1/dynamicviscosity x density
dynamic viscosity/density
density/dynamic viscosity
dynamicviscosity x density

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Hydraulics and Fluid Mechanics in ME
The discharge through a convergent mouthpiece is __________ the discharge through an internal mouthpiece of the same diameter and head of water.

Double
Three fourth
Equal to
One-half

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Hydraulics and Fluid Mechanics in ME
Units of surface tension are

it has no units
energy/unit area
distance
both of the above

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