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Discussion :: UPSC Civil Service Exam Questions

  1. Consider the following statements :
    The effect of air entrainment in concrete is to
    1. increase resistance to freezing and thawing.
    2. improve workability.
    3. decrease strength.
    Which of these statements are correct ?

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

    View Answer

    Workspace

    View Answer

    Answer : Option D

    Explanation :

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

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