The condition that is required for simultaneous treatment of CO, HC and NOx in a three way catalytic is
A. Combustion within a narrow margin of the stoichiometric air-fuel ratio
B. Combustion with a fairly lean air-fuel mixture
C. Combustion with a fairly rich air-fuel mixture
D. A catalyst temperature not exceeding 200°C at any time
Answer: Option A
This Question Belongs to Automobile Engineering >> Air Pollution And Its Control In Automobile
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
A. Exhaust system and intake system
B. Crank case and intake system
C. Crank case and exhaust system
D. Exhaust system and catalytic converter
In a petrol fuel injected engine, the air and fuel are mixed in the
A. Throttle body
B. Intake manifold chamber
C. Intake ports
D. Combustion chambers
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