Which of the following gases has very high neutron capture cross-section, making it unsuitable as a coolant in nuclear reactor?
A. N2
B. He
C. CO2
D. H2
Answer: Option A
A. N2
B. He
C. CO2
D. H2
Answer: Option A
Heavy water (D2O) in a nuclear reactor serves as a
A. Coolant
B. Moderator
C. Both A & B
D. Neutron absorber
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
Join The Discussion