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Mechanic Diesel
EMISSION CONTROL SYSTEM
Set 5
Set 5
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Q8771
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How do we achieve near zero emission diesel engine?
A
Combo of PCV and EGR
B
Combo of EGR and SCR
C
Combo of PCV and 3 way catalytic connection
D
Combo of DPF and EGR
Q8772
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What is the purpose of crank case ventilation?
A
To prevent pressure build up
B
To prevent temperature build up
C
To increase the blow by gas
D
To reduce the combustion leak
Q8773
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What is positive crank case ventilation?
A
Use of back pressure to increase efficiency
B
HC present in blow by drawn out
C
HC present in the blow by reused
D
Increase the crank case dilution
Q8774
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Where EGR valve connected?
A
Exhaust system and intake system
B
Crank case and intake system
C
Crank case and exhaust system
D
Exhaust system and catalytic converter
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