A Refrigerator with a Coefficient of Performance 5

question 48

Multiple Choice

A refrigerator with a coefficient of performance 5.0 removes 25 kJ of heat from a cold reservoir.If this refrigerator is reversible and is run backward as a heat engine,what would be the efficiency of the heat engine?

• A)50%
• B)80%
• C)83%
• D)17%
• E)20%

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Definitions:

The Good Life

A concept describing a life filled with happiness, well-being, and prosperity, often including moral and ethical richness.

Virtue Ethics

An approach to ethics that emphasizes the character of the moral agent rather than the consequences or rules governing their actions.

Positive Character Traits

Attributes or qualities that are morally good or beneficial in nature.

Sarbanes-Oxley Act

A U.S. federal law enacted to protect investors by improving the accuracy and reliability of corporate disclosures made pursuant to securities laws.