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Hydraulics and Fluid Mechanics in ME

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

1
43924
2

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Hydraulics and Fluid Mechanics in ME
A differential manometer is used to measure

Difference of pressures between two points in a pipe
Pressure in pipes and channels
Pressure in Venturimeter
Atmospheric pressure

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Hydraulics and Fluid Mechanics in ME
Fluid is a substance which offers no resistance to change of

Volume
Pressure
Shape
Flow

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Hydraulics and Fluid Mechanics in ME
The discharge through a convergent mouthpiece is __________ the discharge through an internal mouthpiece of the same diameter and head of water.

Equal to
Three fourth
Double
One-half

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Hydraulics and Fluid Mechanics in ME
For starting an axial flow pump, its delivery valve should be

Depends on starting condition and flow desired
Could be either open or closed
Open
Closed

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

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