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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
THEE HORIZONTAL COMPONENT OF BUOYANT FORCE IS

SAME AS BUOYANT FORCE
None of these
NEGLIGIBLE
ZERO

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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
675
300
600

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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

4.6 M
4.8 M
4.0 M
4.2 M

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

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

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Hydraulics & Fluid Mechanics
The line of action of the buoyant force acts through the centroid of the

displaced volume of the fluid
volume of the fluid vertically above the body
submerged body
volume of the floating body

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Hydraulics & Fluid Mechanics
The discharge of a liquid of kinematic viscosity 4 cm²/sec through a 8 cm dia-meter pipe is 3200n cm7sec. The type of flow expected is

TURBULENT FLOW
TRANSITION FLOW
LAMINAR FLOW
NOT PREDICTABLE FROM THE GIVEN DATA

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