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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

decreases
shows erratic behaviour
increases
remains same

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Hydraulics and Fluid Mechanics in ME
Capillary action is due to the

Adhesion of the liquid molecules and the molecules on the surface of a solid
All of the listed here
Surface tension
Cohesion of the liquid

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Hydraulics and Fluid Mechanics in ME
Which of the following turbine is preferred for 0 to 25 m head of water?

None of these
Kaplan turbine
Francis turbine
Pelton wheel

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Hydraulics and Fluid Mechanics in ME
If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water

52 cm
52.2 cm
50 cm
51 cm

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Hydraulics and Fluid Mechanics in ME
A pressure of 25 m of head of water is equal to

2500 kN/m2
2.5 kN/m2
25 kN/m2
245 kN/m2

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Hydraulics and Fluid Mechanics in ME
The rise of liquid along the walls of a revolving cylinder about the initial level is _________ the depression of the liquid at the axis of rotation.

More than
Less than
Same as
None of these

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