An Annular Ring of Aluminum Is Cut from an Aluminum

question 22

Multiple Choice

An annular ring of aluminum is cut from an aluminum sheet as shown.When this ring is heated:

• A)the aluminum expands outward and the hole remains the same in size
• B)the hole decreases in diameter
• C)the area of the hole expands the same percent as any area of the aluminum
• D)the area of the hole expands a greater percent than any area of the aluminum
• E)linear expansion forces the shape of the hole to be slightly elliptical

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Definitions:

Signal-Detection Analysis

A statistical method used to determine the ability to differentiate between information-bearing patterns and random patterns that distract from the information.

Sensitive

Sensitive refers to the ability to perceive or feel things deeply or to respond quickly to stimuli, often associated with acute physical or emotional sensitivity.

Signal

A form of communication or indicator that carries information or instructions, often causing a response in the receiver.

Transduction

The conversion of one form of energy into another, such as transforming physical stimuli into neural signals in sensory systems.