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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, then the momentum correction factor is

4
43924
1
2

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Hydraulics and Fluid Mechanics in ME
A hydraulic intensifier normally consists of

A cylinder and a ram
Two coaxial rams and two cylinders
Two cylinders, two rams and a storage device
A cylinder, a piston, storage tank and control valve

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Hydraulics and Fluid Mechanics in ME
Multistage centrifugal pumps are used to obtain

High head and high discharge
High head
Pumping of viscous fluids
High discharge

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Hydraulics and Fluid Mechanics in ME
High specific speed of a pump implies it is

Any one of the above
Centrifugal pump
Mixed flow pump
Axial flow pump

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Hydraulics and Fluid Mechanics in ME
The sheet of water flowing over a notch or a weir is known as

Sill or crest
Orifice
Nappe or vein
None of these

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Hydraulics and Fluid Mechanics in ME
The equation of continuity holds good when the flow

velocity is uniform at all the cross sec-tions
is steady
All of these
is one dimensional

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