A. Converted into fissile material on absorption of neutron
B. Fissioned by slow (thermal) neutrons
C. Fissioned by fast neutrons
D. Fissioned by either slow or fast neutrons
Related Mcqs:
- Thorium-232 (a fertile material) on absorption of a neutron gets converted into ___________ , which is a fissile material?
A. Thorium-233
B. Uranium-235
C. Uranium-233
D. Plutonium-239 - Which of the following is not, a fertile material ?
A. Th-232
B. U-238
C. U-233
D. None of these - Which is a fertile nuclear fuel ?
A. U-233
B. U-235
C. Pu-239
D. Th-232 - 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 - Radioactive decay of a material involves a _____________ order reaction?
A. Third
B. Second
C. First
D. Zero - In β-decay of radioactive material, the ratio of neutron to proton____________________?
A. Increases
B. Remain same
C. Decreases
D. Is unpredictable; may increase or decrease - Moderating material used in a thermal-reactor should be a ____________________?
A. Good absorber of neutrons
B. Solid substance
C. Poor absorber of neutrons
D. None of these - Which of the following is not used as a nuclear fuel cladding material ?
A. Zircaloy
B. Cadmium
C. Ceramics
D. Stainless steel - “Critical mass” is the minimum mass of nuclear fissile material required for the__________________?
A. Sustainment of chain reaction
B. Power generation on commercial scale
C. Economic power generation
D. None of these - Which of the following is a non-fissile material ?
A. Plutonium-239
B. Uranium-235
C. Uranium-233
D. Thorium-232
