What Role Does Cadmium Metal (Cd) Play in a Nuclear

question 87

Multiple Choice

What role does cadmium metal (Cd) play in a nuclear reactor?

• A) Slows down the fission neutrons (moderator)
• B) Transfers heat from the reactor to the heat exchanger (primary coolant)
• C) Controls chain reaction (control rods)
• D) Transfers heat from the condenser to the environment (cooling tower)
• E) Undergoes fission (fuel rods)

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Definitions:

Random sample

A sample drawn from a population in such a way that every member of the population has an equal chance of being selected.

Confidence interval

This statistical term refers to a calculated interval with an associated confidence level that expresses where the true parameter of the population is expected to lie.

Normally distributed

A term describing a distribution that follows a normal curve or bell curve, indicating symmetry around its mean.

Random sample

A selection made in such a manner that every subset of the population has an equal probability of being picked.