EMISSION CONTROL SYSTEM - Practice Mode

1) What is the purpose of EGR (Exhaust gas recirculation) valve?

Reduce Nox Reduce CO Reduce CO<sub>2</sub> Reduce SO<sub>2</sub>

Correct Answer: Reduce Nox

2) What is the acronym for DPF in exhaust emission system?

Diesel pressure filter Diesel primary filter Diesel particulate filter Direct particulate filter

Correct Answer: Diesel particulate filter

3) What is the purpose of EVAP canister?

To trap the exhaust gas to trap fresh air to trap the leak off to trap the fuel vapour

Correct Answer: to trap the fuel vapour

4) Which of the hydro carbon emission released after the combustion of the engine?

From fuel tank From carburettor From crank case blow by From exhaust system

Correct Answer: From exhaust system

5) What does the evaporation emission control eliminate?

CO CO<sub>2</sub> HC Nox

Correct Answer: HC

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