EMISSION CONTROL SYSTEM - Practice Mode

1) Which is the hydro carbon emission released directly from engine to the atmosphere
Correct Answer: Crank case and exhaust system
2) Which engine emits more amount of nitrogen oxides (NOx)?
Correct Answer: Compressed ignition engine
3) Which is a green house effect gas?
Correct Answer: Co<sup>2</sup>
4) Which pollutant is released more from diesel engine during weak compression?
Correct Answer: Particulate matter
5) Which one is a non pollution gas?
Correct Answer: O<sub>2</sub>
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