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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Two pipe systems can be said to be equivalent, when the following quantities are same

Friction loss and flow
Flow and length
Friction factor and diameter
Length and diameter

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Hydraulics and Fluid Mechanics in ME
The velocity corresponding to Reynold number of 2000 is called

Sub-sonic velocity
Super-sonic velocity
Lower critical velocity
Higher critical velocity

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Hydraulics and Fluid Mechanics in ME
The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as

one dimensional flow
steady flow
turbulent flow
uniform f^w

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Hydraulics and Fluid Mechanics in ME
A fluid having no viscosity is known as

Non-Newtonian fluid
Newtonian fluid
Ideal fluid
Real fluid

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Hydraulics and Fluid Mechanics in ME
The viscosity of water is __________ than that of mercury.

Same as
None of these
Higher
Lower

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Hydraulics and Fluid Mechanics in ME
The tendency of a liquid surface to contract is due to the following property

surface tension
cohesion
adhesion
viscosity

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