Q. Economiser in a steam power plant is used (Solved)
1. To preheat air
2. To preheat feed water
3. To superheat steam
4. None of the above
5. None of the above
- b. To preheat feed water
1. To preheat air
2. To preheat feed water
3. To superheat steam
4. None of the above
5. None of the above