What is a dam?
Q: What is a dam?
A: A dam is a wall or barrier that blocks or stops flowing water, forming a reservoir or lake.
Q: What is the purpose of most dams?
A: The primary purpose of most dams is to retain large amounts of water.
Q: What is a spillway or weir?
A: A spillway or weir is a section of a dam where water flows over or through it.
Q: Why do most dams have a spillway or weir?
A: Most dams have spillways or weirs to help control water levels and prevent potential flooding.
Q: Where is the tallest dam in the world located?
A: The tallest dam in the world is the Nurek Dam in Tajikistan, which measures 300 meters in height.
Q: What is the function of a reservoir?
A: A reservoir is a large body of water created by a dam and used to store water for various purposes such as irrigation, hydroelectric power generation, and domestic use.
Q: Are dams effective in retaining water?
A: Yes, dams are very effective in retaining large amounts of water.