Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-9

  • question_answer
    Which one among the following is used as a moderator in nuclear reactors?

    A)  Ozone            

    B)  Heavy hydrogen

    C)  Heavy water      

    D)         Hydrogen peroxide

    Correct Answer: C

    Solution :

    In nuclear reactor heavy water \[({{D}_{2}}O)\] used to slow down the speed of neutron i.e., act as moderator.      


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