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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A flow is called hyper-sonic, if the Mach number is

Less than unity
Between 1 and 6
Unity
None of these

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Hydraulics and Fluid Mechanics in ME
Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between

Lift and tangential force
Lift and resultant force
Drag and resultant force
Lift and drag

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

Steady
Laminar
Unsteady
Uniform

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Hydraulics and Fluid Mechanics in ME
In an internal mouthpiece, if the jet after contraction does not touch the sides of the mouthpiece, then the mouthpiece is said to be

Partially running full
Partially running free
Running free
Running full

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Hydraulics and Fluid Mechanics in ME
Re-entrant or Borda's mouthpiece is an __________ mouthpiece.

None of these
External
Both A and B
Internal

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Hydraulics and Fluid Mechanics in ME
High specific speed of turbine implies it is

None of the listed here
Propeller turbine
Impulse turbine
Francis turbine

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