The efficiency of boiler combustion can be measured by the relative proportions of certain elements in the flue gases. The elements measured are __________.
A
nitrogen, carbon dioxide, and oxygen
B
nitrogen, carbon monoxide, and oxygen
C
carbon dioxide, oxygen, and carbon monoxide
D
nitrogen, carbon dioxide, and carbon monoxide
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Question 1 / 205eccefa0bacbc34ba4d46e98
Question 1 of 205eccefa0bacbc34ba4d46e98
The efficiency of boiler combustion can be measured by the relative proportions of certain elements in the flue gases. The elements measured are __________.
The efficiency of boiler combustion can be measured by the relative proportions of certain elements in the flue gases. The elements measured are __________.