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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The value of coefficient of velocity for a sharp edged orifice __________ with the head of water.

Decreases
Remain same
None of these
Increases

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Hydraulics and Fluid Mechanics in ME
A structure used to dam up a stream or river over which the water flows is called

Dam
Weir
Orifice
Notch

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Hydraulics and Fluid Mechanics in ME
Dynamic viscosity of most of the gases with rise in temperature

increases
decreases
unpredictable
remains unaffected

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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
Low pressure
High velocity
Low velocity

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Hydraulics and Fluid Mechanics in ME
Bernoulli's equation is applied to

All of the listed here
Orifice meter
Venturimeter
Pitot tube

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Hydraulics and Fluid Mechanics in ME
Discharge of a centrifugal pump is (where N = Speed of the pump impeller)

Directly proportional to N
Inversely proportional to N²
Inversely proportional to N
Directly proportional to N²

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