Which of the following statements is INCORRECT about the air pre-heater in a steam boiler?
1
In the tubular type of air pre-heater, hot flue gases flow through the outside of the tubes of the air pre-heater.
2
In the regenerative type of air pre-heater, heat from flue gases is transferred to air through an intermediate heat storage medium.
3
Use of the air pre-heater leads to less atmospheric pollution.
4
In the tubular type of air pre-heater, hot flue gases flow in the direction opposite to that of air travel.
5
Question Not Attempted