CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

A fire propagates because during burning -


  1. A portion of heat released is utilised to maintain the substance.
  2. A portion of heat released is utilised to maintain the ignition temperature.

  3. A portion of heat released is utilised to melt the substance.
  4. A portion of heat released is utilised to vapourise the substance.


Solution

The correct option is B

A portion of heat released is utilised to maintain the ignition temperature.


For a fire to sustain, it is important that the temperature of the combustible material should be maintained above its ignition temperature. This automatically happens, as a portion of heat energy released during burning will get absorbed by the burning substance and its temperature will stay well above its ignition temperature.

flag
 Suggest corrections
thumbs-up
 
0 Upvotes


Similar questions
View More


People also searched for
View More



footer-image