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

  • question_answer
    Liquids and gaseous fuels have more advantages over solid fuels. Some of the advantages are
    (i)  Calorific value of liquid and gaseous fuels is higher than the solid fuels.
    (ii) Liquids and gaseous fuels have higher ignition temperatures than the solid fuels.
    (iii) Liquids and gaseous fuels are easier to store since solid fuels occupy lot of space.
    (iv) Liquids and gaseous fuels burn completely, leaving no residue.
    The correct advantages are

    A)  (i), (ii) and (iii)

    B)  (i), (iii) and (iv)

    C)  (ii), (iii) and (iv)

    D)  (i), (ii) and (iv).

    Correct Answer: B


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