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Practice Quiz
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1

When a radioactive atom undergoes spontaneous decomposition it can release
A)Protons
B)Electrons
C)Neutrons
D)All of the above
2

Nuclear fission occurs when
A)Nuclei of atoms break apart
B)Nuclei of atoms join together
C)Gases combine
D)None of the above
3

A commonly used nuclear fuel is
A)Potassium
B)Beryllium
C)Uranium
D)Carbon
4

The most commonly used nuclear reactor-core coolant is
A)Air
B)Water
C)Carbon dioxide
D)Hydrogen
5

The combining of two lighter atomic nuclei to form a heavier atomic nucleus is called
A)Nuclear fusion
B)Nuclear fission
C)Radioactive decay
D)None of the above
6

Unlike less serious nuclear accidents, The Chernobyl nuclear accident was of great environmental and human health concern because of
A)The release of radioactive water
B)The release of radioactive gas
C)Core reactor meltdown
D)The cessation of energy production
7

The rem is a unit of exposure to radiation that is a measure of the
A)Risk of getting cancer from radiation exposure
B)Biological damage to tissue
C)Numbers of decays per minute of an unstable nucleus
D)Half-life of an isotope
8

Decommissioning a nuclear power plant does not generate radioactive waste.
A)True
B)False
9

The US has a permanent storage solution for the disposal of high-level radioactive waste.
A)True
B)False
10

The current approach to high-level radioactive waste disposal in the US is
A)Geological land disposal
B)Dissolution in water
C)Reprocessing
D)None of the above
11

Disposal of low-level radioactive waste on the ocean floor by the US has been halted.
A)True
B)False





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