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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its

specific mass
specific density
specific weight
specific gravity

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Hydraulics & Fluid Mechanics
Pressure of the order of 10''' torr can be measured by

Micro-manometer
Bourdon tube
Pirani Gauge
ionisastion gauge

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Hydraulics & Fluid Mechanics
For a floating body to be in equilibrium

center of buoyancy and e.g. must lie on same vertical plane
meta center should be above e.g.
All of these
a righting couple should be formed

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Hydraulics & Fluid Mechanics
For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be

337.5
600
675
300

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Hydraulics & Fluid Mechanics
The surface tension of mercury at normal temperature compared to that of water is

more
same
more or less depending on size of glass tube
less

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Hydraulics & Fluid Mechanics
THEE HORIZONTAL COMPONENT OF BUOYANT FORCE IS

NEGLIGIBLE
None of these
ZERO
SAME AS BUOYANT FORCE

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MORE MCQ ON Hydraulics & Fluid Mechanics

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