Heavy water is used in nuclear reactors to Nuclear Engineering Mcqs December 30, 2019 BILAL KHATTAK0 A.cool the reactor B.facilitate the release of neutrons C.control fission D.slow down the speed of neutronsRelated Mcqs:Graphite is used in nuclear reactorsHeavy water used in nuclear reactors isThe graphite rods in a nuclear pileThe fertile fuels are thoseThe optimum size ratio for two mixed reactors in series is found in general to be dependent on the kinetics of the reaction and on the conversion level. For reaction order more than oneHeavy water is used in a nuclear power plant as aHeavy water is obtained byFor identical feed compostion and flow rate, N plug flow reactors in series with a total volume V gives the same conversion as a singleThe substance used as neutron moderator in nuclear reactors isThe space-velocity of 2 hr-1 means