Fast breeder nuclear reactors using enriched uranium as fuel may
contain upto a maximum of __________ percent of U-235 (i.e. fissile
material).
(A) 15
(B) 45
(C) 65
(D) 85
contain upto a maximum of __________ percent of U-235 (i.e. fissile
material).
(A) 15
(B) 45
(C) 65
(D) 85