Exam (elaborations)
PA Emissions Inspection Exam Questions With Complete Solution!!
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What percent of air pollution is caused by vehicles? - ANSWER -20% How much less air pollution do we have now than in the 1960s? (%) - ANSWER -98% less What is the average thermal efficiency? (%) - ANSWER -20% Where does 80% of the rest of the fuel go to? - ANSWER -Friction, heat, and emis...
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