10th Class Science Sources of Energy Question Bank Sources of Energy

  • question_answer
    Characteristics of two fuels X and Y are given in chart.
    Characteristics Fuel X Fuel Y
    Calorific value 50 kJ/g 80 kJ/g
    Gases produced on burning \[Co,S{{O}_{2}}\] \[C{{O}_{2}}\]
    Ignition temperature 20°C 80°C
    Which fuel is ideal fuel?

    A) Fuel X, because it has lower ignition temperature and lower calorific value.

    B) Fuel Y, because it has higher ignition temperature and lower calorific value.

    C) Fuel X, because it has lower ignition temperature and is producing CO, and \[S{{O}_{2}}.\]

    D) Fuel Y, because it has higher calorific value and is producing only \[C{{O}_{2}}\]

    Correct Answer: D

    Solution :

    An ideal gas produces a large amount of heat, should burn without giving harmful gases and it should have a proper ignition temperature.


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