For forced draught system, the function of chimney is mainly________?
Anone of the above
Bto produce draught to accelerate the combustion of fuel
Cto discharge gases high up in the atmosphere to avoid hazard
Dto reduce the temperature of the hot gases discharged
Correct answer
C. to discharge gases high up in the atmosphere to avoid hazard
Explanation
The correct answer is to discharge gases high up in the atmosphere to avoid hazard.