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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
For 450 m head of water, _________ shall be used.

Francis turbine
None of these
Pelton wheel
Kaplan turbine

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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
Twice the breadth
Half the breadth
Twice the depth

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

1/2 × depth
1/4 × (depth + breadth)
1/2 × breadth
1/2 × sloping side

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Hydraulics and Fluid Mechanics in ME
All the terms of energy in Bernoulli’s equation have dimension of

mass
length
work
energy

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

Fourneyron turbine
Thomson's turbine
Pelton wheel
Journal turbine

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Hydraulics and Fluid Mechanics in ME
During the opening of a valve in a pipe line, the flow is

Laminar
Steady
Uniform
Unsteady

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