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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The depth of the bucket for a Pelton wheel is generally _________ the diameter of jet.

Equal to
Double
1.8 times
1.2 times

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Hydraulics and Fluid Mechanics in ME
An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of

1.2
0.8
0.75
1

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Hydraulics and Fluid Mechanics in ME
The dynamic viscosity of gases __________ with rise in temperature.

None of these
Remain unaffected
Decreases
Increases

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Hydraulics and Fluid Mechanics in ME
The surface tension of mercury at normal temperature is __________ that of water.

Lower than
None of these
Higher than
Same as

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Hydraulics and Fluid Mechanics in ME
Which of the following is not a reaction turbine?

Pelton wheel
Thomson's turbine
Journal turbine
Fourneyron turbine

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Hydraulics and Fluid Mechanics in ME
The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is approximately

10 mm
20 mm
30 mm
5 mm

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