- (A) does not absorb neutrons
- (B) absorbs neutrons
- (C) accelerates neutrons
- (D) eats up neutrons
- (E) regenerates neutrons
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- (A) plates
- (B) pallets
- (C) pins
- (D) any one of the above
- (E) none of the above
- (A) natural uranium
- (B) enriched uranium
- (C) pure uranium
- (D) any type of uranium
- (E) none of the above
- (A) infinite
- (B) zero
- (C) exactly balanced by the loss of neutrons through leakage
- (D) initiated
- (E) stopped
- (A) at the lower rate than the consumption
- (B) at a higher rate than the constuption
- (C) at an equal rate of the consumption
- (D) depends on other considerations
- (E) unpredictable
- (A) electrons
- (B) protons
- (C) neutrons
- (D) nulceus
- (E) atom
- (A) coolant itself
- (B) ferrite rod
- (C) graphite rod
- (D) liquid sodium metal
- (E) blanket of thorium
- (A) for boiling pi water in the core
- (B) to use liquid sodium metal as coolant
- (C) to use intermediate coolant
- (D) to prevent the water coolant from boiling in the core
- (E) to eliminate the coolant loop of the pressurised water
- (A) 90% U-235
- (B) U-238
- (C) U-235
- (D) Pu-239
- (E) U-239
- (A) light weight atoms
- (B) heavy weight atoms
- (C) critical atoms
- (D) zero weight atoms
- (E) there is no such criterion
