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What can cause black smoke from aircraft jet engine exhaust?

In: Physics, Chemistry [Edit categories]

Answer:

Sometimes jet engines do not completely burn their fuel, resulting in a visible smoke trail behind the aircraft due to incomplete combustion and the inclusion of non-hydrocarbon impurities.

First answer by ID1279316583. Last edit by SummerMaple. Contributor trust: 63 [recommend contributor ]. Question popularity: 2 [recommend question].

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