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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Water is _________ liquid.

An incompressible
Both A and B
None of these
A compressible

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Hydraulics and Fluid Mechanics in ME
The most efficient section of a channel is

Trapezoidal
Square
Rectangular
Triangular

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Hydraulics and Fluid Mechanics in ME
When the velocity distribution is uniform over the cross-section, the correction factor for momentum is

43924
2
1

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Hydraulics and Fluid Mechanics in ME
The power developed by a turbine is (where H = Head of water under which the turbine is working)

Inversely proportional to H1/2
Directly proportional to H1/2
Directly proportional to H3/2
Inversely proportional to H3/2

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Hydraulics and Fluid Mechanics in ME
Gradually varied flow is

non-steady uniform
steady uniform
steady non-uniform
non-steady non-uniform

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Hydraulics and Fluid Mechanics in ME
The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to

0.0001
0.001
0.1
0.01

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