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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The discharge over a right angled notch is (where H = Height of liquid above the apex of notch)

(8/15) Cd. 2g. H5/2
(8/15) Cd. 2g. H3/2
(8/15) Cd. 2g. H²
(8/15) Cd. 2g. H

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Hydraulics and Fluid Mechanics in ME
An ideal flow of any fluid must satisfy

continuity equation
boundary layer theory
Newton’s law of viscosity
Pascal law

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

None of these
External
Internal
Both A and B

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Hydraulics and Fluid Mechanics in ME
The units of kinematic viscosity are

newton-sec per meter
newton-sec per meter
kg sec/meter
metres² per sec

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Hydraulics and Fluid Mechanics in ME
The top of the weir over which the water flows is known as

Nappe or vein
None of these
Orifice
Sill or crest

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Hydraulics and Fluid Mechanics in ME
Gradually varied flow is

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

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