Hydraulics and Fluid Mechanics in ME
In order to avoid cavitation in centrifugal pumps

The delivery pressure should be high
The suction pressure should be low
The suction pressure should be high
The delivery pressure should be low

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Hydraulics and Fluid Mechanics in ME
The kinematic viscosity is the

Product of absolute viscosity and mass of the liquid
Product of absolute viscosity and density of the liquid
Ratio of absolute viscosity to the density of the liquid
Ratio of density of the liquid to the absolute viscosity

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Hydraulics and Fluid Mechanics in ME
Coefficient of contraction is the ratio of

Loss of head in the orifice to the head of water available at the exit of the orifice
Area of jet at vena-contracta to the area of orifice
Loss of head in the orifice to the head of water available at the exit of the orifice
Actual velocity of jet at vena contracta to the theoretical velocity

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