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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
When the velocity distribution is uniform over the cross-section, the correction factor for momentum is

2
1
43924

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Hydraulics and Fluid Mechanics in ME
The specific weight of water is 1000 kg/m”

All listed here
at 4°C temperature
at mean sea level
at normal pressure of 760 mm

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Hydraulics and Fluid Mechanics in ME
Liquids

None of the listed here
Are not affected by change in pressure and temperature
Occupy definite volume
Cannot be compressed

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Hydraulics and Fluid Mechanics in ME
The impeller of a centrifugal pump may have

Volute casing
Any one of these
Vortex casing
Volute casing with guide blades

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Hydraulics and Fluid Mechanics in ME
If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by

H = Hg/hf
H = Hg + hf
H = Hg × hf
H = Hg - hf

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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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