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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 gravity
center of buoyancy
center of pressure
water surface

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Hydraulics and Fluid Mechanics in ME
If a body floating in a liquid occupies a new position and remains at rest in this new position, when given a small angular displacement, the body is said to be in __________ equilibrium.

Neutral
None of these
Stable
Unstable

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Hydraulics and Fluid Mechanics in ME
The loss of pressure head in case of laminar flow is proportional to

(Velocity)2
Velocity
(Velocity)4
(Velocity)3

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Hydraulics and Fluid Mechanics in ME
The discharge through a siphon spillway is

Cd × a × √(2g) × H5/2
Cd × a × √(2g) × H3/2
Cd × a × √(2gH)
Cd × a × √(2g) × H2

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Hydraulics and Fluid Mechanics in ME
The viscosity of water at 20°C is

One centipoise
One centistoke
One stoke
One poise

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Hydraulics and Fluid Mechanics in ME
A flow in which the volume of a fluid and its density does not change during the flow is called _________ flow.

Viscous
Compressible
Incompressible
None of these

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