Multiple Choice
Control is exercised in a nuclear reactor by
A) absorbing excess neutrons with control rods.
B) emitting fast neutrons with a moderator.
C) both of these
D) none of these
Correct Answer:
Verified
Correct Answer:
Verified
Q14: Three isotopes that undergo nuclear fission are<br>A)Th-239,U-235,Pu-239.<br>B)Th-238,U-235,Pu-239.<br>C)Th-235,U-235,Pu-239.<br>D)U-233,U-235,Pu-239.<br>E)none
Q15: A sphere of pure U-235 will explode
Q16: Detonation of a fission type atomic bomb
Q17: If carbon were used as nuclear fuel,it
Q18: Compared to the mass of a uranium
Q20: Fusing two iron nuclei yields a net<br>A)absorption
Q21: A nucleon has more potential energy with
Q22: Compared to a neutron bouncing off a
Q23: U-235 and Pu-239 are both<br>A)radioactive isotopes.<br>B)fissionable isotopes.<br>C)heavier
Q24: The function of graphite in the first