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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Size of a venturimeter is specified by

throat diameter
angle of diverging section
pipe diameter
both pipe diameter as well as throat diameter

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Hydraulics and Fluid Mechanics in ME
In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 'θ'. Sensitivity of inclined tube to sensitivity of U-tube is equal to

1/Cosθ
1/Sinθ
Sinθ
Cos θ

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Hydraulics and Fluid Mechanics in ME
Which place in hydraulic turbine is most susceptible for cavitations?

Penstock
Blade inlet
Guide blade
Inlet of draft rube

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Hydraulics and Fluid Mechanics in ME
Liquids

Occupy definite volume
Are not affected by change in pressure and temperature
None of the listed here
Cannot be compressed

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Hydraulics and Fluid Mechanics in ME
The pressure at the summit of a syphon is

less than atmospheric
equal to atmospheric
more than atmospheric
None of these

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Hydraulics and Fluid Mechanics in ME
The unit of dynamic viscosity in S.I. units is

Stoke
N-s/m²
Poise
N-m/s²

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