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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The velocity of jet of water travelling out of opening in a tank filled with water is proportional to

h2
h2
V/T
head of water (h)

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Hydraulics and Fluid Mechanics in ME
A flow whose streamline is represented by a curve, is called

One-dimensional flow
Three-dimensional flow
Two-dimensional flow
Four-dimensional flow

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Hydraulics and Fluid Mechanics in ME
The loss of head at exit of a pipe is (where v = Velocity of liquid in the pipe)

0.5v²/2g
0.75v²/2g
v²/2g
0.375v²/2g

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Hydraulics and Fluid Mechanics in ME
A metal with specific gravity of o floating in a fluid of same specific gravity a will

sink to bottom
partly immersed
be fully immersed with top surface at fluid surface
float over fluid

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Hydraulics and Fluid Mechanics in ME
Centrifugal pump is started with its delivery valve

Irrespective of any position
Kept 50% open
Kept fully closed
Kept fully open

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Hydraulics and Fluid Mechanics in ME
In series-pipe problems

a trial solution is not necessary
the discharge through each pipe is added to obtain total discharge
the discharge is same through each pipe
the head loss is same through each pipe

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