A. ordinary fluid
B. heavy water
C. molten lead
D. hydrogen gas
E. none of the above
A. U233andPu239
B. U
C. U238andPu239
D. U238andTh239
E. none of the above
A. for boiling pi water in the core
B. to use liquid sodium metal as coolant
C. to use intermediate coolant
D. to prevent the water coolant from boiling in the core
E. to eliminate the coolant loop of the pressurised water
A. uses graphite rods as moderator
B. has powerful moderator
C. has no moderator
D. uses ferrite material as moderator
E. uses pressurised water as moderator
A. 99.282% U238, 0.712% U235, 0.006% U234
B. 99.282% U235, 0.712% U238, 0.06%’ U234
C. 99.282% U234, 0.712% U238, 0.006% U235
D. 99.282% U235, 0.712% U234, 0.006% U238
E. none of the above
A. more
B. less
C. same
D. zero
E. negative, i.e. fuel would be generated
A. Ulii
B. U
C. U238
D. Pu:
E. Pu