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Mechanic Motor Vehicle
Mechanic Motor Vehicle Set-1
Emission Control System
12

Emission Control System MCQ with Answers

12) Which device changes carbon monoxide into carbon dioxide in the exhaust gas?

Canister

Muffler

Catalytic converter

Exhaust gas regulator

Answer is:

Catalytic converter

Emission Control System MCQ with Answers

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Related Emission Control System MCQ with Answers

13) What is the effect of high sulphur content in fuel?

In complete combustion

Pitting in the engine parts

Fungus in the cylinder walls

Corrosive Wear of engine parts

Answer is:

Corrosive Wear of engine parts

14) What is the major constituents of blow by gas?

Hydro carbon

CO₂

CO

NO_X

Answer is:

Hydro carbon

15) Which type of engine uses SCR for emission control?

Petrol engine

Diesel engine

LPG engine

CNG engine

Answer is:

Diesel engine

16) When does a fresh charge escapes from the petrol engine exhaust?

During valve lead

During valve open

During valve lag

During valve overlap

Answer is:

During valve overlap

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