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79. While on deck, you are observing the stack of an oil-fired auxiliary boiler installed on your general-purpose supply vessel. The gases exiting the stack are a dense white smoke. Eliminating water vapor as a possible cause of the white smoke, what would be the correlating flame color as observed through an observation window peephole?
Dense white smoke from an oil-fired boiler, excluding water vapor, indicates a very hot flame with excess air, resulting in a dull or dazzling white flame.
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