Reactor water chemistry is monitored closely for chlorides. is used? to prevent build up of chloride in the reactor water which of the following method of contra feed and bleed nse deaeration of makeup water degasification to remove the resulting chlorine gas formed by excess chlorides addition of boron to form boron trichloride, which is easily removed via ion exchange save

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it is the minimum amount of material needed to sustain a fission reaction.

critical mass is the minimum amount of fissionable material that must be assembled for a sustained fission reaction to take place. although two to three neutrons are produced for every fission, not all of these neutrons are available for continuing the fission reaction. if the conditions are such that the neutrons are lost at a faster rate than they are formed by fission, the chain reaction will not be self-sustaining.   at the point where the chain reaction can become self-sustaining, this is referred to as critical mass.