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:

Small Intestine

A part of the digestive system where most of the digestion and absorption of nutrients occurs.

Digested Food

Nutrients and substances that have been broken down by the digestive system from ingested food to be absorbed and used by the body.

Semi-Starvation

A condition of prolonged inadequate caloric intake, below the level necessary for maintenance of a healthy body weight.

Experimental Starvation

The deliberate restriction of nutrients for research purposes, typically to study the effects of malnutrition on biological organisms.