The black smoke coming out of a petrol engine is due to what particles?(a) Oxygen molecules(b) Magnesium particles(c) Nitrox(d) Carbon particlesThis question was posed to me by my school principal while I was bunking the class.My question is based upon Internal Combustion Engine topic in section Design of IC Engine Components of Automotive Engine Design

The black smoke coming out of a petrol engine is due to what particles

1.	The black smoke coming out of a petrol engine is due to what particles?(a) Oxygen molecules(b) Magnesium particles(c) Nitrox(d) Carbon particlesThis question was posed to me by my school principal while I was bunking the class.My question is based upon Internal Combustion Engine topic in section Design of IC Engine Components of Automotive Engine Design
Answer» The CORRECT choice is (d) CARBON particles To elaborate: The BLACK smoke is due to the presence of carbon particles which is formed because of incomplete combustion caused by less amount of air to the supplied FUEL.

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