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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A fluid which obeys the Newton's law of viscosity is termed as

Newtonian fluid
Real fluid
Non-Newtonian fluid
Ideal fluid

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Hydraulics and Fluid Mechanics in ME
Center of pressure on an inclined plane is

Above the Centroid
At metacentre
At the Centroid
Below the Centroid

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Hydraulics and Fluid Mechanics in ME
The discharge over a right angled notch is (where H = Height of liquid above the apex of notch)

(8/15) Cd. 2g. H²
(8/15) Cd. 2g. H
(8/15) Cd. 2g. H3/2
(8/15) Cd. 2g. H5/2

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Hydraulics and Fluid Mechanics in ME
The Bernoulli's equation is based on the assumption that

The velocity of flow is uniform across any cross-section of the pipe
No force except gravity acts on the fluid
There is no loss of energy of the liquid flowing
All of these

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Hydraulics and Fluid Mechanics in ME
The optimum value of vane exit angle for a centrifugal pump impeller is

20-25°
10-15°
50-60°
30-40°

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Hydraulics and Fluid Mechanics in ME
Liquids transmit pressure equally in all the directions. This is according to

Archimedes principle
Pascal's law
Newton's formula
Boyle's law

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