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    Question

    Which of the following option is correct with respect to characteristics of Biogas?

    A CH4: 55-65% Correct Answer Incorrect Answer
    B CO2: 20-30% Correct Answer Incorrect Answer
    C calorific value: 5000 to 5500 Kcal/Kg Correct Answer Incorrect Answer
    D Both a & c Correct Answer Incorrect Answer
    E All of the above Correct Answer Incorrect Answer

    Solution

    The biogas so obtained is a mixture of methane (CH4): 55-65% and Carbon dioxide (CO2): 30-40%. The biogas contains traces of H2, H2S and N2. The calorific value of biogas ranges from 5000 to 5500 Kcal/Kg (18.8 to 26.4 MJ /m3).

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