Electrical Engineering · Power Plants
What is the primary function of the air preheater in a steam power plant?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To extract hot air from the turbine condenser system
- 2To supply hot air directly to the superheater
- 3To recover heat from the flue gases and heat the incoming air needed for combustion✓
- 4To heat the incoming feedwater supplied to the boiler
Correct answer
To recover heat from the flue gases and heat the incoming air needed for combustion
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