The Main Purpose of a Moderator in a Nuclear Reactor

question 61

Multiple Choice

The main purpose of a moderator in a nuclear reactor is to

• A)absorb the neutrons and thereby decrease the reaction rate.
• B)absorb the neutrons and thereby increase the reaction rate.
• C)slow the neutrons and thereby decrease the reaction rate.
• D)slow the neutrons and thereby increase the reaction rate.
• E)cool the reactor chamber.

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Definitions:

Ethical Concerns

Issues or situations that require a person or organization to choose between alternatives that must be evaluated as right (ethical) or wrong (unethical).

Genetic Factors

Inherited elements from parents that influence an individual's traits, characteristics, and susceptibility to certain conditions.

Schizophrenia

A complex, long-term medical illness, affecting about 1% of Americans, characterized by disturbances in thought, perception, and behavior, including hallucinations, delusions, and disorganized thinking.

Concordance Rate

The statistical measure indicating the likelihood of two related individuals both exhibiting a particular trait or disorder.