An Refrigerator Keeps Food in the Freezer Portion at -15 $^{\circ}$

question 65

Multiple Choice

An refrigerator keeps food in the freezer portion at -15 $^{\circ}$ C and dumps excess heat into the kitchen,whose temperature is 22 $^{\circ}$ C.If the refrigerator has half the coefficient of performance of an ideal reversible refrigerator,and if its motor can supply 250W of power,what is the rate of heat flow into the kitchen?

• A) 950W
• B) 910W
• C) 625W
• D) 150W

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Definitions:

Contraband Of War

Goods that by law are forbidden to be supplied to a belligerent, especially items that could be used in armed conflict.

Irish Rifles

Firearms or military units associated with Ireland, possibly referring to historical regiments or Irish nationalist forces, depending on context.

John Fremont

A military officer, explorer, and politician known for his role in the U.S. expansion into the American West and as the first candidate of the Republican Party for the office of President of the United States.