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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The pressure measured with the help of a Piezometer tube is in

All of these
Head of liquid
N/m2
N/mm2

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Hydraulics and Fluid Mechanics in ME
The Francis formula for the discharge over Cipoletti weir is

1.84 LH5/2
1.84 LH
1.84 LH3/2
1.84 LH1/2

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Hydraulics and Fluid Mechanics in ME
Reaction turbines are used for

High head and low discharge
High head
Low head and high discharge
Low head

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Hydraulics and Fluid Mechanics in ME
When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as

Submerged weir
Broad-crested weir
Narrow-crested weir
Ogee weir

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

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

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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 speed of operation
Necessity of air vessel
Lower discharge

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