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Discussion :: UPSC Civil Service Exam Questions

  1. Consider the following methods of preservation of timber :
    1. Dipping
    2. Brushing or spraying
    3. Pressure impregnation
    The correct sequence in decreasing order of the effectiveness of these methods of preservation is

    2. A.
    1, 2, 3
    B.
    2, 1, 3
    C.
    3, 1, 2
    D.
    3, 2, 1

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    Answer : Option C

    Explanation :

    No answer description available for this question. Let us discuss.

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