The Function of the Control Rods in a Nuclear Reactor

question 12

Multiple Choice

The function of the control rods in a nuclear reactor is to:

• A)increase fission by slowing down the neutrons
• B)decrease the energy of the neutrons without absorbing them
• C)increase the ability of the neutrons to cause fission
• D)decrease fission by absorbing neutrons
• E)provide the critical mass for the fission reaction

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Definitions:

Intersexual Selection

The process by which females select their mates on the basis of some physical trait that indicates genetic quality or good health; sometimes selection depends on some resource offered by the males.

Courtship Ritual

A set of display behaviors in which an organism tries to attract a mate and secure mating opportunities.

Ornamental Display

The use of plants, animals, or objects for decoration, especially to make a garden or building more attractive.

Social Behavior

Interaction of two or more animals, usually of the same species.