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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Bernoulli's equation is applied to

Pitot tube
Orifice meter
Venturimeter
All of the listed here

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Hydraulics and Fluid Mechanics in ME
The discharge over a rectangular notch is

Inversely proportional to H5/2
Inversely proportional to H3/2
Directly proportional to H3/2
Directly proportional to H5/2

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Hydraulics and Fluid Mechanics in ME
The specific weight of water in S.I. units is taken as

Any one of these
9.81 × 103 N/m3
9.81 × 10-6 N/mm3
9.81 kN/m3

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Hydraulics and Fluid Mechanics in ME
The ratio of absolute viscosity to mass density is known as

kinematic viscosity
viscosity index
specific viscosity
coefficient of viscosity

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Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as

Vortex flow
Turbulent flow
Steady flow
Uniform flow

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Hydraulics and Fluid Mechanics in ME
The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is

ηm = ηm × ηh
None of these
ηo = ηh × ηm
ηh = ηo × ηm

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