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Hydraulics and Fluid Mechanics in ME

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

Real fluid
Newtonian fluid
Ideal fluid
Non-Newtonian fluid

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Hydraulics and Fluid Mechanics in ME
The flow in which the particles of a fluid attain such velocities that varies from point to point in magnitude and direction as well as from instant to instant, is known as

Uniform flow
Steady flow
Turbulent flow
One dimensional flow

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Hydraulics and Fluid Mechanics in ME
When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called

Archimedes’s principle
Pascal’s law
Bernoulli’s theorem
Principle of flotation

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Hydraulics and Fluid Mechanics in ME
The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface.

None of these
Directly proportional
Inversely proportional
Equal

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Hydraulics and Fluid Mechanics in ME
For pipes, laminar flow occurs when Roynolds number is

less than 4000
less than 2000
between 2000 and 4000
more than 4000

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Hydraulics and Fluid Mechanics in ME
The efficiency of power transmission through pipe is (where H = Total supply head, and hf = Head lost due to friction in the pipe)

(H - hf )/H
(H + hf )/H
H/(H + hf )
H/(H - hf )

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