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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Fluid is a substance which offers no resistance to change of

Pressure
Shape
Volume
Flow

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Hydraulics and Fluid Mechanics in ME
The unit power developed by a turbine is (where P = Power developed by the turbine under a head of water (H).

P/ H3/2
P/ H²
P/ √H
P/ H

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Hydraulics and Fluid Mechanics in ME
Barometer is used to measure

Difference of pressure between two points
Very low pressure
Pressure in pipes, channels etc.
Atmospheric pressure

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Hydraulics and Fluid Mechanics in ME
The intensity of pressure on an immersed surface __________ with the increase in depth.

Does not change
Increases
Decreases
None of these

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Hydraulics and Fluid Mechanics in ME
In a free nappe,

The pressure above the nappe is negative
The pressure below the nappe is negative
The pressure below the nappe is atmospheric
The pressure above the nappe is atmospheric

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Hydraulics and Fluid Mechanics in ME
Head developed by a centrifugal pump depends on

Impeller diameter
Both (A) and (B) above
Fluid density
Speed

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