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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Saving of work done and power by fitting an air vessel to double acting reciprocating pump is of the order of

0.492
0.848
0.392
0.688

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Hydraulics and Fluid Mechanics in ME
To avoid an interruption in the flow of a syphon, an air vessel is provided

at the inlet
at the outlet
ay nay point between inlet and outlet
at the summit

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Hydraulics and Fluid Mechanics in ME
The speed of a pressure wave through a pipe depends upon

the length of pipe
the bulk modulus for the fluid
the viscosity of fluid
the original head

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Hydraulics and Fluid Mechanics in ME
The center of pressure of a surface subjected to fluid pressure is the point

on the surface at which resultant pres-sure acts
at which all hydraulic forces meet
on the surface at which gravitational force acis
similar to metacentre

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Hydraulics and Fluid Mechanics in ME
The unit discharge through the turbine is

Q/√H
Q/H²
Q/H
Q/H3/2

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Hydraulics and Fluid Mechanics in ME
A pressure of 25 m of head of water is equal to

25 kN/m2
245 kN/m2
2500 kN/m2
2.5 kN/m2

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