Word forms: (regular plural) stoichiometric ratios
nounPronunciationNote that the 'ch' in 'stoichiometric' is pronounced 'k'. There are several types
of ratio that are used in automotive engineering. Make sure you put the stress on
the right syllable.air-fuel ratio ( /OO ooo/)bore-stroke ratio ( /Oo ooo/)compression ratio ( /oOo ooo/)gear ratio ( /O ooo/)stoichiometric ratio ( /OooOo ooo/) (Automotive engineering: Design and performance) The stoichiometric ratio is the exact ratio between air and flammable gas or vapor at which complete combustion takes place.
⇒ The stoichiometric ratio of combustion varies for various fuels and oxidizers. ⇒ If the engine has less air than the stoichiometric ratio, you have a rich mixture, because it is rich in gasoline. ⇒ A stoichiometric ratio is neither too rich nor too lean. lt contains just enough fuel to burn all the oxygen.
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