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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
Which of the following is demensionless

specific volume
specific gravity
specific speed
specific weight

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

boundary layer
lift
drag
wake

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Hydraulics & Fluid Mechanics
A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of

4.2 M
4.6 M
4.8 M
4.0 M

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Hydraulics & Fluid Mechanics
THEE HORIZONTAL COMPONENT OF BUOYANT FORCE IS

ZERO
None of these
SAME AS BUOYANT FORCE
NEGLIGIBLE

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Hydraulics & Fluid Mechanics
The Prartdtl mixing length is

None of these
zero at the pipe wall
maximum at the pipe wall
independent of shear stress

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Hydraulics & Fluid Mechanics
Ay between two stream lines represents

head
discharge
velocity
pressure

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