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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
The flow which neglects changes in a transverse direction is known as

turbulent flow
one dimensional flow
uniform flow
steady flow

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Hydraulics & Fluid Mechanics
If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its

specific weight
specific mass
specific density
specific gravity

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Hydraulics & Fluid Mechanics
A large Roynold number is indication of

LAMINAR FLOW
smooth and streamline flow
highly turbulent flow.
turbulent flow

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Hydraulics & Fluid Mechanics
Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the

force of cohesion
force of diffusion
force of adhesion
force of friction

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

H
H3/2
H1/2
H5/2

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

All of these
meta center should be above e.g.
a righting couple should be formed
center of buoyancy and e.g. must lie on same vertical plane

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