Q25
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
AnswerB.
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
Solution
Answer: Option A
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