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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
In a Sutro weir, the discharge is proportional to (where H is head)

H3/2
H1/2
H5/2
H

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Hydraulics & Fluid Mechanics
For a floating body to be in stable equilibrium, its metacentre should be

between e.g. and center of pressure
below the center of buoyancy
above the center of gravity.
above the center of buoyancy

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

incompressible
inviscous
inviscous and compressible
inviscous and incompressible

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Hydraulics & Fluid Mechanics
A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of

4.0 M
4.2 M
4.6 M
4.8 M

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Hydraulics & Fluid Mechanics
The surface tension of mercury at normal temperature compared to that of water is

same
less
more or less depending on size of glass tube
more

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Hydraulics & Fluid Mechanics
A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will

increase
remain same
increase/decrease depending on depth of immersion
decrease

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