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:

Joint Costs

Joint costs occur when the production process or provision of services generates more than one type of product or output simultaneously, requiring cost allocation among outputs.

Split-off Point

The stage in a production process where different products become separately identifiable and their costs can be assigned individually.

Production Process

The sequence of operations or steps involved in producing a finished good or service from raw materials or components.

Relevant Cost

Costs that should be considered when making business decisions because they will be affected by the decision.