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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

head of water (h)
h2
h2
V/T

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Hydraulics and Fluid Mechanics in ME
Impulse turbine is generally fitted

At the level of tail race
Slightly below the tail race
Little above the tail race
About 2.5 m above the tail race to avoid cavitations

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

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

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Hydraulics and Fluid Mechanics in ME
A turbine pump is basically a centrifugal pump equipped additionally with

Backward curved blades
Inlet guide blades
Vaned diffusion casing
Adjustable blades

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Hydraulics and Fluid Mechanics in ME
Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of

High initial and maintenance cost
Lower discharge
Necessity of air vessel
Lower speed of operation

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Hydraulics and Fluid Mechanics in ME
In series-pipe problems

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

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