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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The buoyancy depends on

depth of immersion
viscosity of the liquid
mass of liquid displaced
pressure of the liquid displaced

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

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Hydraulics and Fluid Mechanics in ME
The correct relationship among displacement thickness d, momentum thickness m and energy thickness e is

e > m > d
d > e > m
d > m > e
e > d > m

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Hydraulics and Fluid Mechanics in ME
The maximum number of jets, generally, employed in an impulse turbine without jet interference are

Four
Two
Six
Eight

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Hydraulics and Fluid Mechanics in ME
The tendency of a liquid surface to contract is due to the following property

viscosity
surface tension
adhesion
cohesion

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Hydraulics and Fluid Mechanics in ME
Which of the following is used to measure the discharge ?

current meter
pitot tube
venturimeter
hotwire anemometer

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