Hydraulics and Fluid Mechanics in ME
The purpose of a surge tank is

To regulate flow of water to turbines by providing necessary retarding head of water
To control the pressure variations due to rapid changes in the pipe line flow
To eliminate water hammer possibilities
All of these

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Hydraulics and Fluid Mechanics in ME
The intensity of pressure at any point, in a liquid, is

Directly proportional to the depth of liquid from the surface
Inversely proportional to the depth of liquid from the surface
Directly proportional to the area of the vessel containing liquid
Directly proportional to the length of the vessel containing liquid

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