Diesel Emission Control Technologies
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Objective
I can evaluate the effectiveness of different diesel emission control technologies in reducing air pollution.
Part 1 of 4
Warm-up video
INFRAMECHANIZER · 9:56
We don't generate video — this one is by INFRAMECHANIZER on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
Exhaust Gas Recirculation (EGR) systems reduce NOx emissions by recirculating exhaust gas, which lowers the combustion temperature.
- 2
Diesel Particulate Filters (DPFs) capture particulate matter, which is then burned off at high temperatures to maintain clean exhaust.
- 3
Selective Catalytic Reduction (SCR) systems inject a urea-based reductant to convert NOx into harmless nitrogen and water.
Part 3 of 4
Practice
5 questions
Which of the following is NOT a technology used to control emissions from diesel engines, according to the video?
Explain how Exhaust Gas Recirculation (EGR) systems reduce NOx emissions in diesel engines.
Part 4 of 4
Exit ticket
Quick comprehension check
“Explain how Selective Catalytic Reduction (SCR) systems work to reduce NOx emissions in diesel engines. Include the substance injected into the exhaust stream and what it converts NOx into.”
Sample answer included in the free materials
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