EGR is used to control which exhaust emission?

[formula1]

Question 1

At about what temperature does oxygen combine with the nitrogen in the air to form NOx?
◦ 500 degrees F
◦ 750 degrees F
◦ 1500 degrees F
◦ 2500 degrees F

Question 2

EGR is used to control which exhaust emission?
◦ Oxides of nitrogen (NOx)
◦ Unburned hydrocarbons (HC)
◦ Carbon monoxide (CO)
◦ Carbon dioxide (CO₂₎ 

[wuly]

Answer 1

2500 degrees F

Answer 2

Oxides of nitrogen (NOx)

[formula1]

YES! Correct, THANKS for helping me on my review

[nathang24]

Thanks for the timely response, appreciate it