ABSTRACT
Perfect combustion is the proper mixture of fuel and air under exacting conditions where both the oxygen and the fuel are completely consumed in the combustion process. Having just the right amount of oxygen (no more, no less) is called the stoichiometric point, simply the ideal air to fuel ratio for combustion. A most dangerous approach, when dealing with combustion systems is thinking the systems will always be correct and not considering that it can be affected by small and seemingly unrelated external forces. Build-up of combustibles in the exhaust system and chimneys which can cause fires and explosions. To a lesser extent a build-up of soot in the exhaust system can block the normal passage of flue gases further restricting the amount of oxygen supplied for combustion progressively compounding the problem. Carbon monoxide is classified, however, as a chemical asphyxiant which produces a toxic action by preventing the blood from absorbing oxygen.
