STCW Oil Chemical Tanker (Basic) Practice Questions - STCW Basic Training For Oil And Chemical Tanker Cargo Operations (V 1-1) Exam

The lower flammable limit (LFL) of a hydrocarbon vapour-air mixture is best defined as the concentration:

Below which there is too little vapour to support combustion Above which the mixture is too rich to ignite At which the mixture burns with maximum violence At which oxygen is completely displaced by vapour

Correct Answer:

Below which there is too little vapour to support combustion

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