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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
When a body floating in a liquid, is displaced slightly, it oscillates about

metacentre
center of buoyancy
center of pressure
e.g. of body

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Hydraulics & Fluid Mechanics
Coefficient of velocity for Borda’s mouth piece running full is

0.855
0.611
0.707
1.00

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Hydraulics & Fluid Mechanics
A fluid is said to be ideal, if it is

inviscous and compressible
inviscous and incompressible
inviscous
incompressible

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Hydraulics & Fluid Mechanics
Separation of flow occurs when

the cross-section of a channel is reduced
the boundary layer comes to rest
the pressure intensity reaches a minimum
All of these

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Hydraulics & Fluid Mechanics
Two pipe systems are said to be equivalent when

head loss and discharge are same in two systems
length of pipe and discharge are same in two systems
length and diameter are same in two systems
friction factor and length are same in two systems

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

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

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MORE MCQ ON Hydraulics & Fluid Mechanics

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