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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The flow in a pipe is neither laminar nor turbulent when Reynold number is

Between 2000 and 2800
Less than 2000
None of these
More than 2800

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Hydraulics and Fluid Mechanics in ME
A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm² and a volume of 0.039 m3 at 150 kg/cm². The bulk modulus of elasticity of liquid is

4000 kg/cm²
400 kg/cm²
40 × 10⁶ kg/cm²
40 × 10⁵ kg/cm²

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Hydraulics and Fluid Mechanics in ME
Newton's law of viscosity is a relationship between

Pressure, velocity and temperature
Shear stress and rate of shear strain
Shear stress and velocity
Rate of shear strain and temperature

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Hydraulics and Fluid Mechanics in ME
A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a

Nozzle
Weir
Mouthpiece
Notch

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Hydraulics and Fluid Mechanics in ME
The power produced by the reaction turbine is ________ to the head of water.

None of these
Inversely proportional
Directly proportional
4th power

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

None of these
Lower than
Higher than
Same as

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