The Temperature Inside a Carnot Refrigerator Placed in a Kitchen

question 5

Multiple Choice

The temperature inside a Carnot refrigerator placed in a kitchen at 22.0°C is 2.0°C.The heat extracted from the refrigerator is 89 MJ/h.What power is needed to operate this refrigerator?

• A) 1.7 kW
• B) 1.8 kW
• C) 1.5 kW
• D) 1.9 kW
• E) 1.6 kW

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Definitions:

Postindustrial Period

a stage in societal development that occurs after the industrial period, characterized by an economy focused more on services than on manufacturing.

Mature Industrial

Pertains to an industrial phase characterized by stable growth, well-established industries, and lower levels of innovation compared to earlier growth phases.

Transitional Period

A phase of change from one state or condition to another, often characterized by uncertainty and development.

Replacement Level Fertility

The fertility rate at which a population exactly replaces itself from one generation to the next, without migration, typically around 2.1 children per woman.