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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
For very great pressures, viscosity of moss gases and liquids

shows erratic behaviour
increases
remains same
decreases

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Hydraulics and Fluid Mechanics in ME
A weir is said to be broad crested weir, if the width of the crest of the weir is ________ half the height of water above the weir crest.

None of these
Less than
Equal to
More than

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Hydraulics and Fluid Mechanics in ME
The angle of contact in case of a liquid depends upon

the material which exists above the free surface of the liquid
both of die above
the nature of the liquid and the solid
any one of the above

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Hydraulics and Fluid Mechanics in ME
By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power. This saving in case of a single acting reciprocating pump is

0.848
0.884
0.392
0.488

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Hydraulics and Fluid Mechanics in ME
An error of 1% in measuring head over the apex of the notch (H) will produce an error of _________ in discharge over a triangular notch.

0.02
0.015
0.025
0.01

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Hydraulics and Fluid Mechanics in ME
In order to measure the flow with a Venturimeter, it is installed in

Inclined line with flow downwards
Horizontal line
Inclined line with flow upwards
Any direction and in any location

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