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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to

Half the depth
Half the breadth
Twice the breadth
Twice the depth

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Hydraulics and Fluid Mechanics in ME
A Francis turbine is used when the available head of water is

25 m to 250 m
None of these
Above 250 m
0 to 25 m

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Hydraulics and Fluid Mechanics in ME
A fluid which obeys the Newton's law of viscosity is termed as

Newtonian fluid
Ideal fluid
Real fluid
Non-Newtonian fluid

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Hydraulics and Fluid Mechanics in ME
The Reynold's number of a ship is __________ to its velocity and length.

Inversely proportional
Directly proportional
Square root of velocity
None of these

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Hydraulics and Fluid Mechanics in ME
Which of the following is not a reaction turbine?

Fourneyron turbine
Pelton wheel
Thomson's turbine
Journal turbine

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Hydraulics and Fluid Mechanics in ME
A thick liquid like syrup has a ___ viscosity than a light liquid like water.

Lesser
Greater
Same
None of the listed here

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