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Railways General Science & Technology Man Made Materials Sample Paper Man-Made Materials-I Sample Test Paper-23

  • question_answer
    After casting of cement on the wall water is given regularly; up to several days because

    A)  Setting of cement is exothermic reaction therefore water! Decreases the temperature

    B)  Water absorb the heat from air and supplies to cement; for setting

    C)  Water helps in complete hydrolysis and setting of cement

    D)  All of the above

    Correct Answer: C

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