The surge tank controls the water when the load on the turbine is ________(a) Equal(b) Decreased(c) Increased(d) Not presentThe question was asked in an international level competition.I would like to ask this question from Classification of Hydro-Plant topic in section Hydro Electric Power Plant of Energy Engineering

The surge tank controls the water when the load on the turbine is ____

1.	The surge tank controls the water when the load on the turbine is ________(a) Equal(b) Decreased(c) Increased(d) Not presentThe question was asked in an international level competition.I would like to ask this question from Classification of Hydro-Plant topic in section Hydro Electric Power Plant of Energy Engineering
Answer» The CORRECT option is (B) Decreased The best I can explain: The surge TANK controls the water when the load on the turbine decreases. The excess water is stored in the surge tank and hence the PRESSURE variations in the PENSTOCK are taken care of preventing water hammer.

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