A Refrigerator Has a Coefficient of Performance Equal to 4

question 42

Multiple Choice

A refrigerator has a coefficient of performance equal to 4.2.How much work must be done on the refrigerator in order to remove 250 J of heat from the interior?

• A) 60 J
• B) 120 J
• C) 250 J
• D) 480 J
• E) 1050 J

---

Definitions:

High-power-distance Culture

A culture or societal structure where there is acceptance of unequal power distribution, authority, and hierarchy within organizations or society.

Individualistic Culture

Characterizes societies where the ties between individuals are loose and everyone is expected to look after themselves and their immediate family only.

Monochronic Culture

Cultures where time is viewed linearly, with a focus on scheduling, punctuality, and doing one thing at a time.

Specific Agenda

A detailed plan or list of items to be discussed, addressed, or accomplished in a meeting or event.