Physics · Power Plant Engineering
What is the primary function of an air pre-heater in a steam power plant boiler?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To increase the temperature of air before entering the furnace✓
- 2To decrease the temperature of air before entering the furnace
- 3To increase the temperature of air after entering the furnace
- 4To decrease the temperature of air after entering the furnace
Correct answer
To increase the temperature of air before entering the furnace
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