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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The specific speed of a turbine is given by the equation

N√P / H²
N√P / H3/2
N√P / H5/4
N√P / H3

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Hydraulics and Fluid Mechanics in ME
In an immersed body, centre of pressure is

Above the centre of gravity
At the centre of gravity
Below be centre of gravity
Could be above or below e.g. depending on density of body and liquid

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Hydraulics and Fluid Mechanics in ME
The velocity of jet of water traveling out of opening in a tank filled with water is proportional to

Head of water (h)
V/T
h²
h/2

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

External
Internal
Both A and B
None of these

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Hydraulics and Fluid Mechanics in ME
Stoke is the unit of

Dynamic viscosity in M. K. S. units
Kinematic viscosity in C. G. S. units
Dynamic viscosity in S. I. units
Kinematic viscosity in M. K. S. units

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Hydraulics and Fluid Mechanics in ME
An air vessel is provided at the summit in a siphon to

Increase velocity
Maintain pressure difference
Increase discharge
Avoid interruption in the flow

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