Question

why are dams called multi purpose projects

Answer 1

Dam is a place where water is stored at a height in large volumes.
They are called multipurpose projects because the water stored in them solves many purposes:

1. Maintain the water level in the rivers and increase water level during droughts
2. Provide water to the agricultural fields by canals for irrigation.
3. Prevent flooding by distributing water
4. Provide water to households and industries
5. To generate electricity from the energy of water stored at height.
6. For growing fishes and recreational activities such as boating