Science Bowl

GENERAL SCIENCE

General Science - 25

GENR-92; Short Answer:  In a high-temperature gas-cooled reactor, what gas ma be used for a
coolant?

ANSWER:  HELIUM    or    CARBON DIOXIDE

GENR-92; Multiple Choice:  Spent fuel from a nuclear power plant cools down and loses most of
its radioactivity through decay.  In the first year, spent fuel loses about what percentage of its
radioactivity? 

w)  10 percent
x)  50 percent
y)  80 percent
z)  100 percent

ANSWER:  Y -- 80 PERCENT

GENR-92; Short Answer:  The Nuclear Waste Policy Act of 1982 and amendments require what
Federal agency to site, construct and operate a geologic repository for disposal of high-level
nuclear waste?

ANSWER:   U.S. DEPARTMENT OF ENERGY

GENR-92; Multiple Choice:  The National Council on Radiation Protection and Measurements
estimates that the average exposure to ionizing radiation tha individual Americans receive
annually from ALL sources is about: 

w)  60 millirem
x)  100 millirem
y)  360 millirem
z)  500 millirem

ANSWER:  Y -- 360 MILLIREM

GENR-92; Multiple Choice:  An important safety feature required at U.S. nuclear power plants
that was not present at the Chernobyl Power Plant in the Soviet Union was the:

w)  reactor
x)  cooling water
y)  control rods
z)  containment building

ANSWER:  Z -- CONTAINMENT BUILDING