Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because

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Ram Sharma

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📊 Fuels And Combustion

Q. Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because

(A) The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot
(B) It reduces its calorific value tremendously
(C) It reduces its flame temperature tremendously
(D) There are chances of explosion during preheating

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✅ Correct Answer: (A) The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot

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