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The location of the spark-plug plays an important part in the propagation of the flame into the zone where the turbulence reduces the effective wall quenching and thereby reduces the concentration of unburnt hydrocarbons. How do unburnt hydrocarbons get into the atmosphere? Sometimes unburned hydrocarbons are released into the airRead More →

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ANSWER: Combustion of fuels like petroleum causes formation of un-burnt carbon particles along with carbon monoxide gas. These harmful pollutants enter the air and cause respiratory diseases. What are unburnt particles? The burning of fuels like wood,coal and petroleum products releases unburnt carbon particles in the air:These fine carbon particlesRead More →