The complete combustion of 1 kg of coal is 15kg and the actual amount of air used in the furnace is 22kg for every kg of coal, what is the excess air?
A. 50%
B. 48%
C. 46%
D. 44%
E. 42%
Answer: C
The complete combustion of 1 kg of coal is 15kg and the actual amount of air used in the furnace is 22kg for every kg of coal, what is the excess air?
A. 50%
B. 48%
C. 46%
D. 44%
E. 42%
Answer: C