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Questions and Answers
Which part of a fire is considered a flame?
Which part of a fire is considered a flame?
- The visible part (correct)
- The thin zone
- The gaseous part
- The exothermic reaction
What happens when flames are hot enough to have ionized gaseous components of sufficient density?
What happens when flames are hot enough to have ionized gaseous components of sufficient density?
- They produce more heat
- They turn blue
- They become plasma (correct)
- They extinguish
What determines the color and temperature of a flame?
What determines the color and temperature of a flame?
- The weather conditions
- The type of fuel involved (correct)
- The amount of oxygen present
- The size of the fire
What happens when a lighter is held to a candle?
What happens when a lighter is held to a candle?
What is the term for the process in which fuel molecules vaporize and react with oxygen in the air to sustain a flame?
What is the term for the process in which fuel molecules vaporize and react with oxygen in the air to sustain a flame?
Which term describes the chemical reaction between a fuel and an oxidant that produces gaseous products and a characteristic flame?
Which term describes the chemical reaction between a fuel and an oxidant that produces gaseous products and a characteristic flame?
What is the term for the process in which solid fuels undergo endothermic reactions to produce gaseous fuels that can sustain combustion?
What is the term for the process in which solid fuels undergo endothermic reactions to produce gaseous fuels that can sustain combustion?
What is the visible indicator of a combustion reaction?
What is the visible indicator of a combustion reaction?
What is the term for the minimum amount of energy required to initiate a combustion reaction?
What is the term for the minimum amount of energy required to initiate a combustion reaction?
What is the term for the sequence of elementary radical reactions that often occur during combustion?
What is the term for the sequence of elementary radical reactions that often occur during combustion?
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