Nuclear Engineering Question:

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The critical mass of a fissionable material can be reduced by

A. heating it.
B. cooling it.
C. surrounding it by neutron reflecting material.
D. surrounding it by neutron absorbing material.

Nuclear Engineering Interview Question
Nuclear Engineering Interview Question

Answer:

Option C

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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		Primary purpose of a __________ nuclear reactor is to supply a high neutron flux of the order of 1013 to 1014 neutrons/cm2 second.

A. research
B. power
C. breeder
D. homogeneous