Which gas can be used an indicator of a lean condition?
A) Carbon monoxide (CO)
B) Oxygen (O2)
C) Carbon dioxide (CO2)
D) Hydrogen (H)

Name: Which gas can be used an indicator of a lean condition? A) Carbon monoxide (CO) B) Oxygen (O2) C) Carbon dioxide (CO2) D) Hydrogen (H)
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Question

Quizplus · Accepted Answer

Oxygen (O2) is used as an indicator of a lean condition because in a lean mixture, there is excess oxygen present after combustion since there isn't enough fuel to react with all the oxygen.

Which Gas Can Be Used an Indicator of a Lean