what causes combustion
Answers
Answer:
fuel, oxygen, heat and exhaust
Answer:
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Explanation:
Fuel, Oxygen, Heat, Exhaust.
A relationship exists between the ignition temperature and the pressure of the mixture under specific conditions. The figure shows the relationship for a mixture of hydrogen and oxygen. Only one temperature corresponds to a given pressure, whereas one or three pressures, called the explosion limits, may correspond to one temperature. The mechanism of the reaction determines the explosion limits: the reaction can proceed only when the steps in the sequence of reactions occur faster than the terminal steps. Thus, for combustion to be initiated with light or with a spark, the light intensity or the spark energy must exceed certain minimal values.
