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Railways NTPC (Technical Ability) Engineering Mechanics and Strength of Materials Question Bank Engineering Mechanics

  • question_answer
    Dry flue gases with a composition of \[C{{O}_{2}}=10.4%,\]\[{{O}_{2}}=9.6\] and \[{{N}_{2}}=80%,\] indicate that:

    A) Excess air is used

    B) Air is insufficient

    C) Hydrogen is not present in the coal

    D) Air is just sufficient

    Correct Answer: C

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