In a Nuclear Reactor the Fissionable Fuel Is Formed into Pellets

question 18

Multiple Choice

In a nuclear reactor the fissionable fuel is formed into pellets rather than finely ground and mixed with the moderator.This reduces the probability of:

• A)non-fissioning absorption of neutrons
• B)loss of neutrons through the reactor container
• C)absorption of two neutrons by single fissionable nucleus
• D)loss of neutrons in the control rods
• E)none of the above

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Definitions:

Anticipatory Pain Response

Stimuli associated with painful events produce a fear response, which motivates escape from the painful environment.

Punishment

An unpleasant consequence given to reduce the occurrence of a particular behavior.

Stimulus Response Bond

The connection formed between a specific stimulus and a specific response through conditioning.

Matching Law

A principle in behavioral psychology stating that the proportion of responses directed toward an option matches the proportion of reinforcements obtained from that option.