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- Q151 - Deck Safety
194. Which toxic gas is a product of incomplete combustion, and is often present when a fire burns in a closed compartment?
Carbon monoxide is the correct answer; it is produced by incomplete combustion and is a toxic hazard in enclosed spaces. Incomplete combustion occurs when there is insufficient oxygen, resulting in carbon monoxide instead of complete combustion's carbon dioxide. Carbon monoxide is colorless, odorless, and binds strongly to hemoglobin, making it a significant danger in fires within closed compartments. The other options are not primary products of incomplete combustion in this scenario.
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