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

---

Definitions:

Battle of Saratoga

A pivotal series of military engagements in 1777 during the American Revolutionary War, marking a significant turning point with the American victory convincing France to support the United States.

Decisive Battle

A military engagement that significantly determines or changes the outcome of a conflict or war, often leading to an end of hostilities.

American Military Position

Refers to the strategic stance or deployment of the United States Armed Forces globally to protect national interests and support international peace and security.

Thomas Paine

An influential writer and revolutionary, best known for his works "Common Sense" and "The American Crisis," which advocated for American independence from Britain.