EMISSION CONTROL SYSTEM - Quiz

1) How do we achieve near zero emission diesel engine?

Combo of PCV and EGR Combo of EGR and SCR Combo of PCV and 3 way catalytic connection Combo of DPF and EGR

2) What is the purpose of crank case ventilation?

To prevent pressure build up To prevent temperature build up To increase the blow by gas To reduce the combustion leak

3) What is positive crank case ventilation?

Use of back pressure to increase efficiency HC present in blow by drawn out HC present in the blow by reused Increase the crank case dilution

4) Where EGR valve connected?

Exhaust system and intake system Crank case and intake system Crank case and exhaust system Exhaust system and catalytic converter