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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Center of pressure on an inclined plane is

At the Centroid
Below the Centroid
At metacentre
Above the Centroid

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Hydraulics and Fluid Mechanics in ME
The length of a liquid stream while flowing over a weir __________ at the ends of the sill.

None of these
Expands
Contracts
Does not change

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Hydraulics and Fluid Mechanics in ME
The critical depth for a channel is given by (where q = Unit discharge (discharge per unit width) through the channel)

(q²/g)1/3
(q³/g)1/4
(q/g)1/2
(q⁴/g)1/5

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Hydraulics and Fluid Mechanics in ME
Puck up the wrong statement about centrifugal pump

Head a diameter
Power a speed⁴
Head a speed²
Discharge a diameter

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Hydraulics and Fluid Mechanics in ME
The flow in a pipe is turbulent when Reynold number is

Less than 2000
More than 2800
Between 2000 and 2800
None of these

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Hydraulics and Fluid Mechanics in ME
A nozzle placed at the end of a water pipe line discharges water at a

High pressure
High velocity
Low pressure
Low velocity

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