Q. In a reaction turbine, the draft tube is used to (Solved)
1. To increase the head of water by an amount that is equal to the height of the runner outlet above the tail race
2. To prevent air to enter the turbine
3. To increase pressure energy of water
4. To transport water to downstream
- a. To increase the head of water by an amount that is equal to the height of the runner outlet above the tail race