43. Artificial radioactive isotopes find application in
A.Power generation
B.Medical field
C.Nuclear fission
D.Nuclear fusion
44. A fast breeder reactor uses
A.90% U-235
B.U-238
C.U-235
D.Pu-239
45. The nuclear energy is measured as
A.MeV
B.Curie
C.Farads
D.MW
46. Half life of a radioactive isotope corresponds to the time required for half of the following to decay
A.Electrons
B.Atom
C.Neutrons
D.Nucleus
47. The total energy released in fission of U235 is
A.5 MeV
B.10 MeV
C.199 MeV
D.168 MeV
48. A reactor capable of converting a ferrite material into fissile isotopes is called
A.Regenerative reactor
B.Fast breeder reactor
C.Breeder reactor
D.Boiling water reactor
49. Which of the following is more appropriate for a moderator. One which
A.Does not absorb neutrons
B.Absorbs neutrons
C.Accelerates neutrons
D.Eats up neutrons
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