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Hydraulics & Fluid Mechanics

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

one dimensional flow
uniform flow
steady flow
turbulent flow

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

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

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Hydraulics & Fluid Mechanics
THE THEORETICAL VALUE OF COEFFICIENT OF CONTRACTION OF A SHARP EDGED ORIFICE IS

0.86
0.95
1.01
0.611

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Hydraulics & Fluid Mechanics
The difference of pressure between the inside and outside of a liquid drop is

(a)p = Txr
p = T/2r
(d)p = 2T/r
(b)p = T/r

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

center of the volume of floating body
centroid of the volume of fluid vertically above the body
centriod of the displaced volume of fluid
center of gravity of any submerged body

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

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