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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
The pressure in Pascals at a depth of 1 m below the free surface of a body of water will be equal to

1 PA
9810 PA
981 PA
91 PA

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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

4.0 M
4.8 M
4.2 M
4.6 M

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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

600
675
337.5
300

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Hydraulics & Fluid Mechanics
THEE HORIZONTAL COMPONENT OF BUOYANT FORCE IS

None of these
SAME AS BUOYANT FORCE
ZERO
NEGLIGIBLE

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Hydraulics & Fluid Mechanics
The flow which neglects changes in a transverse direction is known as

one dimensional flow
steady flow
uniform flow
turbulent flow

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Hydraulics & Fluid Mechanics
For a floating body to be in stable equilibrium, its metacentre should be

above the center of buoyancy
below the center of buoyancy
above the center of gravity.
between e.g. and center of pressure

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