Technician a Says That Air-Fuel Ratio Lambda Numbers Lower Than

question 10

Multiple Choice

Technician A says that air-fuel ratio lambda numbers lower than 1.0 indicate a lean mixture. Technician B says that air-fuel ratio lambda numbers higher than 1.0 indicate a rich mixture. Which technician is correct?

• A) Technician A only
• B) Technician B only
• C) Both technicians A and B
• D) Neither technician A nor B

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