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Discussion :: Building Materials

  1. Proper amount of entrained air in concrete results in
    (i) Better workability
    (ii) Better resistance to freezing and thawing
    (iii) Lesser workability
    (iv) Less resistance to freezing and thawing

    2. A.

     (i) and (ii)
    B.

     (i) and (iv)
    C.

     (ii) and (iii)
    D.

     (iii) and (iv)

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    Workspace

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    Answer : Option A

    Explanation :

    Explanation Not Provided

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