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Study MCQ
Mechanic Diesel
EMISSION CONTROL SYSTEM
Set 3
Set 3
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Q8761
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What is the purpose of EGR (Exhaust gas recirculation) valve?
A
Reduce Nox
B
Reduce CO
C
Reduce CO<sub>2</sub>
D
Reduce SO<sub>2</sub>
Q8762
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What is the acronym for DPF in exhaust emission system?
A
Diesel pressure filter
B
Diesel primary filter
C
Diesel particulate filter
D
Direct particulate filter
Q8763
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What is the purpose of EVAP canister?
A
To trap the exhaust gas
B
to trap fresh air
C
to trap the leak off
D
to trap the fuel vapour
Q8764
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Which of the hydro carbon emission released after the combustion of the engine?
A
From fuel tank
B
From carburettor
C
From crank case blow by
D
From exhaust system
Q8765
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What does the evaporation emission control eliminate?
A
CO
B
CO<sub>2</sub>
C
HC
D
Nox
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