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| Q.29 | When there is sudden reduction in load on the turbine in a hydel plant, the governor closes the gates of the turbine to reduce the water flow. This causes pressure to increase abnormally in the penstock. How is this prevented? | |
| Ans | A. By using a control gate | |
| B. By using a surge tank | ||
| C. By using an economiser | ||
| D. By using feed water |
Correct Ans Provided: B
