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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
Pressure of the order of 10''' torr can be measured by

Micro-manometer
ionisastion gauge
Bourdon tube
Pirani Gauge

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Hydraulics & Fluid Mechanics
The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid (where pi and p2 are mass densities.)

steady flow
incompressible flow
uniform flow
frictionless flow

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Hydraulics & Fluid Mechanics
Least possible value of correction factor for i) kinetic energy is zero ii) kinetic energy is 1 iii) momentum is zero iv) momentum is 1 The correct statements are

(ii) and (iii)
(i) and (iii)
(ii) and (iv)
(i) and (iv)

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

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

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

meta center should be above e.g.
All of these
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
Which of the following is demensionless

specific gravity
specific speed
specific weight
specific volume

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