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Mechanic Diesel
Mechanic Diesel Set-1
Emission Control System
1

Emission Control System MCQ with Answers

1) Which is the hydro carbon emission released directly from engine to the atmosphere

Crank case and exhaust system

Fuel tank and carburettor

Fuel tank and crank case

Fuel tank and exhaust

Answer is:

Crank case and exhaust system

Explanation:

.

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2) Which engine emits more amount of nitrogen oxides (NO_x)?

Spark ignition engine

Compressed ignition engine

Two stroke engine

LPG engine

Answer is:

Compressed ignition engine

3) Which is a green house effect gas?

O²

Co

Co²

N²

Answer is:

Co²

4) Which pollutant is released more from diesel engine during weak compression?

Co

Particulate matter

HC

Nox

Answer is:

Particulate matter

5) Which one is a non pollution gas?

Co

No

HC

O₂

Answer is:

O₂

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