Science, asked by Yuva11, 1 year ago

permissible levels of emissions of various gases

Answers

Answered by MVB

8

Following are the permissible levels of gases

CO: 0.50-0.74 g/km
HC + NOx: 0.30-0.46 g/km
NOx: 0.25-0.39 g/km
PM: 0.025-0.6 g/km

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