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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The efficiency of a Pelton wheel working under constant head ________ with the increase in power.

None of these
Decreases
Remain same
Increases

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Hydraulics and Fluid Mechanics in ME
The flow in which conditions do not change with time at any point, is known as

uniform flow
turbulent flow
one dimensional flow
steady flow

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Hydraulics and Fluid Mechanics in ME
A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a

Weir
Notch
Nozzle
Mouthpiece

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Hydraulics and Fluid Mechanics in ME
The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface.

Equal
None of these
Inversely proportional
Directly proportional

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Hydraulics and Fluid Mechanics in ME
A point, in a compressible flow where the velocity of fluid is zero, is called

Vena contracta
Stagnation point
None of the listed here
Critical point

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Hydraulics and Fluid Mechanics in ME
The mercury does not wet the glass. This is due to the property of the liquid known as

Viscosity
Surface tension
Adhesion
Cohesion

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