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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
The region between the separation streamline and the boundary surface of the solid body is known as

lift
boundary layer
drag
wake

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

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

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Hydraulics & Fluid Mechanics
The peoperty by virtue of which a liquid opposes relative motion between its different layers is called

osmosis
surface tension
viscosity
co-efficient of viscosity

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

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

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

ionisastion gauge
Pirani Gauge
Micro-manometer
Bourdon tube

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Hydraulics & Fluid Mechanics
A large Roynold number is indication of

turbulent flow
highly turbulent flow.
LAMINAR FLOW
smooth and streamline flow

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MORE MCQ ON Hydraulics & Fluid Mechanics

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