8th Class Science Combustion and Flame Question Bank Combustion and Flame

  • question_answer  What are the essential requirements for a fire to start and continue?
    (i) Fuel
    (ii) Air (oxygen)
    (iii) Heat

    A)                  Only (i) and (ii)                

    B)                                         Only (ii) and (iii)                

    C)                                         Only (i) and (iii)                

    D)                                         (i), (ii) and (iii)                

    Correct Answer: D

    Solution :

    A fire needs fuel, air (oxygen which supports combustion), and heat to raise the temperature of the fuel beyond ignition temperature.


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