In Order to Control a Nuclear Reactor, Control Rods Can

question 64

Multiple Choice

In order to control a nuclear reactor, control rods can be pulled out of or pushed into the reactor core by remote control. These rods control the reactor by

• A) slowing down the fast neutrons so the neutrons can be absorbed by ²³⁸U.
• B) speeding up slow neutrons so the neutrons can be absorbed by ²³⁸U.
• C) slowing down fast neutrons so they cannot initiate further fusion reactions in ²³⁵U.
• D) speeding up fast neutrons so they cannot initiate further fusion reactions in ²³⁵U.
• E) capturing thermal neutrons so they cannot initiate further fission reactions in ²³⁵U.

---

Definitions:

Ethnographic Research

A data-collection method that sends trained observers to watch and interact with a subject population in their natural environment.

Consumer Behavior

The study of individuals, groups, or organizations and the processes they use to select, secure, use, and dispose of products, services, experiences, or ideas to satisfy needs, and the impacts that these processes have on the consumer and society.

Reliability

The degree to which an assessment tool produces stable and consistent results over time.

Validity

The degree to which a tool, test, or study accurately measures what it intends to measure or reflects the true reality.