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Discussion :: UPSC Civil Service Exam Questions

  1. Consider the following statements :
    Curing of concrete is necessary because
    (a) concrete needs more water for chemical reaction
    (b) it is necessary to protect the water initially mixed in concrete from being lost during evaporation
    (c) penetration of surrounding water increases the strength of concrete Which of the statements given above is/are correct ?

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

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    Answer : Option C

    Explanation :

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

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