Question: Explain the classification of hydroelectric power plants on the basis of head?
OR
Question: How many types of dams are there on the basis of head height?
Answer: On the basis of the head the dams are divided into three classes.
| Type | Head |
|---|---|
| Low head | < 30 m |
| Medium head | 30-100 m |
| High head | > 100 m |
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