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Hydraulics & Fluid Mechanics

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
Flow of water in a pipe about 3 meters in diameter can be measured by

rotameter
venturi
orifice plate
pitot tube

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Hydraulics & Fluid Mechanics
In a Sutro weir, the discharge is proportional to (where H is head)

H5/2
H3/2
H
H1/2

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Hydraulics & Fluid Mechanics
The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is

at the centroid of the submerged area
None of these
always below the centroid of the area
always above the centroid of the area

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

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

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Hydraulics & Fluid Mechanics
When a liquid rotates at a constant angular velocity about a vertical axis as a rigid body, the pressure intensity varies

inversely as the radial distance
inversely as the square of the radial distance
linearly with radial distance
as the square of the radial distance

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