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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power. The saving in case of a double acting reciprocating pump is

0.488
0.884
0.848
0.392

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Hydraulics and Fluid Mechanics in ME
According to Bazin's formula, the discharge over a rectangular weir is mL2g x H3/2 where m is equal to

0.003 + (0.405/H)
0.003 + (H/0.405)
0.405 + (H/0.003)
0.405 + (0.003/H)

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Hydraulics and Fluid Mechanics in ME
Differential manometer is used to measure

Pressure in pipes, channels etc.
Very low pressure
Atmospheric pressure
Difference of pressure between two points

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Hydraulics and Fluid Mechanics in ME
For small discharge at high pressure, following pump is preferred

Centrifugal
Axial flow
Reciprocating
Mixed flow

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Hydraulics and Fluid Mechanics in ME
Center of pressure compared to e.g. is

Below it
Above or below depending on area of body
At same point
Above it

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Hydraulics and Fluid Mechanics in ME
Water is a __________ fluid.

Ideal
Non-Newtonian
Newtonian
Real

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