Science Bowl

GENERAL SCIENCE

General Science - 26

GENR-92; Multiple Choice:  As of December, 1990, which of the following countries generated
the greatest percentage of its electricity by nuclear power?

w)  England
x)  Japan
y)  United States
z)  France

ANSWER:  Z -- FRANCE

GENR-92; Multiple Choice:  Most of the nuclear power plants operating in the United States are:

w)  pressurized water reactors
x)  boiling water reactors
y)  high-temperature gas-cooled reactors
z)  liquid-metal fast breeder reactors

ANSWER:  W -- PRESSURIZED WATER REACTORS

GENR-92; Multiple Choice:  The Oklo reactor in Gabon, Africa, is significant because it:

w)  was the first man-made reactor.
x)  was a natural fission reactor.
y)  was the first reactor used to generate electricity.
z)  produced the most electricity in a single year.

ANSWER:  X -- WAS A NATURAL FISSION REACTOR.

GENR-92; Short Answer:  In the United States, the units of measure for the potential biological
risk associated with exposure to ionizing radiation are the rem and millirem.  What comparable
units are used in the metric system?

ANSWER:  SIEVERTS   or   MILLISIEVERTS

GENR-92; Multiple Choice:  What substance was used as a moderator for the chain reaction in
the first nuclear reactor?

w)  graphite
x)  boron
y)  water
z)  cadmium

ANSWER:  W -- GRAPHITE