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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head.

Two-third
One-third
None of these
One-half

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Hydraulics and Fluid Mechanics in ME
If velocity is zero over l/3rd of a cross-section and is uniform over remaining 2/3rd of the cross-section, then the correction factor for kinetic energy is

27/8
43924
43892
44078

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Hydraulics and Fluid Mechanics in ME
In a Francis turbine runner, the numbers of blades are generally between

4 to 8
2 to 4
8 to 16
16 to 24

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Hydraulics and Fluid Mechanics in ME
To avoid an interruption in the flow of a syphon, an air vessel is provided

at the outlet
ay nay point between inlet and outlet
at the summit
at the inlet

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Hydraulics and Fluid Mechanics in ME
A flow through a long pipe at constant rate is called

Steady non-uniform flow
Unsteady uniform flow
Steady uniform flow
Unsteady non-uniform flow

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Hydraulics and Fluid Mechanics in ME
In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir.

Three-fourth
Equal to
One-third
Two-third

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