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Engineering, 30.04.2021 01:00 gabbym39077

Two technicians are explaining what exhaust gas emissions tell you about engine operation. Technician A says that the higher the level of CO2 in the exhaust stream, the more efficiently the engine is operating. Technician B says that CO2 levels of 20 to 25 percent are considered acceptable.

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Two technicians are explaining what exhaust gas emissions tell you about engine operation. Technicia...
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