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Mechanic Diesel
Mechanic Diesel Set-1
Emission Control System
15

Emission Control System MCQ with Answers

15) What does the evaporation emission control eliminate?

CO

CO₂

HC

Nox

Answer is:

HC

Emission Control System MCQ with Answers

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Related Emission Control System MCQ with Answers

16) Which engine uses EVAP canister?

Diesel engine

Petrol engine

LPG engine

CNG engine

Answer is:

Petrol engine

17) Which is used to absorb fuel vapour in the EVAP canister?

Banian cloth

Cotton roll

Paper filter

Activated charcoal

Answer is:

Activated charcoal

18) Name the emission control technique when some amount of gases feed into the intake manifold of a running engine?

Exhaust gas recirculation

Positive crank case ventilation

Catalytic convention

Selective catalytic reduction

Answer is:

Exhaust gas recirculation

19) What is the purpose of selective catalytic reduction (SCR)?

Reduce CO₂

Reduce PM

Reduce Nox

Reduce HC

Answer is:

Reduce Nox

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