Question: An engine operating on methane (CH4) as fuel at 1500 rpm, WOT, generates the following emissions measured on a dry volumetric basis: CO2 10.4 %

An engine operating on methane (CH4) as fuel at 1500 rpm, WOT, generates the following emissions measured on a dry volumetric basis:

CO2 10.4 %
CO 1.1 %
H2 0.6 %
O2 0.9 %
NO 600 ppm
CH4 1100 ppm

If the specific fuel consumption is 250 g/kW-h, calculate the specific emissions of CO, NO, and CH4 (in g/kW-h).

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