Nuclear Engineering Question:

Which is a fertile nuclear fuel?

A. U-233
B. U-235
C. Pu-239
D. Th-232

Option D

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Nuclear fuel generally used in reactors is uranium oxide instead of uranium, because the former has higher A. melting point, hence can be subjected to higher temperature. B. density ; hence core volume for a given power output would be smaller. C. resistance to effects of irradiation. D. all (a), (b) and (c).	The time required for half of the __________ of a radioactive isotope to decay is called its half life. A. nuclei B. electrons C. protons D. neutrons