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8th Class Science Combustion and Flame Question Bank Combustion and Flame Conceptive Objective Problems

  • question_answer
                                                                                               Which of the following is not a characteristic of a good fuel?

    A)  It should be cheap and readily available

    B)  It should have a high calorific value

    C)  It should be environment friendly

    D)  It should bum at a slow rate in air

    Correct Answer: D

    Solution :

      A good fuel is the one that neither burns at a very fast rate nor burns at a very slow rate. It should burn at a moderate rate in air. The correct answer is D.


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