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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Metacentric height is the distance between the metacentre and

center of buoyancy
center of gravity
center of pressure
water surface

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Hydraulics and Fluid Mechanics in ME
A hydraulic accumulator normally consists of

A cylinder and a ram
Two coaxial rams and two cylinders
Two cylinders, two rams and a storage device
A cylinder, a piston, storage tank and control valve

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Hydraulics and Fluid Mechanics in ME
The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface)

wA/x
wx
wAx
wA

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Hydraulics and Fluid Mechanics in ME
The property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid, is called

Surface tension
Capillarity
Compressibility
Viscosity

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Hydraulics and Fluid Mechanics in ME
Reynold's number is the ratio of inertia force to

Viscous force
Gravity force
Pressure force
Elastic force

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Hydraulics and Fluid Mechanics in ME
All the terms of energy in Bernoulli’s equation have dimension of

energy
mass
length
work

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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