A Carnot Refrigerater Runs Between a Cold Reservoir at Temperature $\Delta$

question 27

Multiple Choice

A Carnot refrigerater runs between a cold reservoir at temperature T_C and a hot reservoir at temperature T_H. You want to increase its coefficient of performance. Of the following, which change results in the greatest increase in the coefficient? The value of $\Delta$ T is the same for all changes.

• A) Raise the temperature of the hot reservoir by \(\Delta\)T
• B) Raise the temperature of the cold reservoir by \(\Delta\)T
• C) Lower the temperature of the hot reservoir by \(\Delta\)T
• D) Lower the temperature of the cold reservoir by \(\Delta\)T
• E) Lower the temperature of the hot reservoir by (1/2)\(\Delta\)T and raise the temperature of the cold reservoir by (1/2)\(\Delta\)T

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Analyze legal responsibilities concerning environmental disclosures in real estate transactions.

Understand the concept of the digital divide and its implications.

Identify and compare various systems of ethics and ethical behavior.

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Definitions:

Automatic Modes

Processes in the brain that occur without conscious thought, often as habitual responses or reactions to certain stimuli.

Conserve Effort

The tendency to reduce the amount of mental or physical energy expended on tasks, often by relying on heuristics or shortcuts.

Stroop Test

A standard measure of effortful control over responses, requiring participants to identify the color of a word (which may name a different color).

Automatic Thinking

Involves thoughts that occur spontaneously, often subconsciously, and without deliberate control, frequently shaping our emotions and behaviors without our active awareness.