Environmental Engineering in CE
Peroxyacyl nitrate (PAN), a pollutant is found in the

Automobile exhaust
Exhaust of sulphuric acid plant
Exhaust of nitric acid plant
Flue gas of coal based power plant

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Environmental Engineering in CE
Smoke is produced due to

Insufficient supply of combustion air and insufficient time for combustion
All of these
Poor quality of fuel and improper mixing of fuel & combustion air
Poor design & overloading of furnace

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