A Carnot Refrigerator Has a Coefficient of Performance of 2

question 10

Multiple Choice

A Carnot refrigerator has a coefficient of performance of 2.5.The refrigerator consumes 50 W of power.How much heat is removed from the interior of the refrigerator in 1 hour?

• A) 7.5 kJ
• B) 450 kJ
• C) 180 kJ
• D) 720 kJ
• E) 72 kJ

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Definitions:

Adam Smith

An 18th-century Scottish economist and philosopher, best known for his theories on free market economics presented in "The Wealth of Nations."

Individuals

Single human beings considered separate from a group or society.

Economic Activity

The actions that involve the production, distribution, and consumption of goods and services in an economy.

Tariffs

Taxes imposed on imported goods and services, which are typically used by governments to protect domestic industries, raise revenue, or exert political leverage.