Can anything be done to stretch out the fuel supply for fission nuclear reactors so that such reactors could be used for many more centuries?
A) No, because fission reactors must use uranium, and uranium resources will run out within a century.
B) No, because fission reactors must use plutonium, and plutonium resources will run out within a century.
C) Yes, by converting the 238U into 235U and then fissioning the 235U.
D) Yes, by converting 238U into plutonium and then fissioning the plutonium.
E) Yes, by using uranium that is less highly enriched that the uranium fuel in use today.
D
You might also like to view...
The three principal sources of the internal heat of terrestrial planets are
A) accretion, differentiation, and eruption. B) accretion, differentiation, and radioactivity. C) convection, differentiation, and eruption. D) conduction, convection, and eruption. E) conduction, differentiation, and accretion.
The rate at which the temperature decreases with altitude is called the ______________
Fill in the blank(s) with correct word
Fusing two iron nuclei would occur with
A) absorption of energy. B) release of energy. C) neither of these
A certain radioactive isotope placed near a Geiger counter registers 120 counts per minute. If the half-life of the isotope is one day, what will be the count rate at the end of four days?
A) 30 counts/min B) 15 counts/min C) 10 counts/min D) 7.5 counts/min E) 5 counts/min