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UPSC Civil Service Exam Questions

Q1:

A surge tank is provided in a hydropower scheme to

A provide additional storage close to the penstock

B take care of change of slope, alignment or size of the water conductor system

C reduce the pressures under transient conditions

D provide convenient overspills

ANS:C - reduce the pressures under transient conditions

A surge tank (or surge chamber) is a device introduced within a hydropower water conveyance system having a rather long pressure conduit to absorb the excess pressure rise in case of sudden valve closure.



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