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Author Question: What is used by a selective catalytic reduction (SCR) system to reduce NOx? (Read 45 times)

folubunmi

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Question 1


What is the stoichiometric ratio of a gasoline engine?


15-16:1
14.7:1
14.1:1
12-13:1

Question 2


What is used by a selective catalytic reduction (SCR) system to reduce NOx?


Biodiesel
Air pump
EGR cooler
Urea


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Marked as best answer by folubunmi on Oct 6, 2021

nothere

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Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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folubunmi

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Reply 2 on: Oct 6, 2021
Excellent


xthemafja

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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