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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
The resultant of all normal pressures acts

vertically upwards
at e.g. of body
at center of pressure
at metacentre

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

uniform flow
one dimensional flow
turbulent flow
steady flow

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Hydraulics & Fluid Mechanics
The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is

1/4
1/3
1/2
2/3

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

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Hydraulics & Fluid Mechanics
The units of viscosity are

newton-sec/metre2
newton-sec/metre
kg sec/metre
metre2/se

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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

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

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