Carnot Devices: a Carnot Air Conditioner Operates Between an Indoor

question 43

Multiple Choice

Carnot devices: A Carnot air conditioner operates between an indoor temperature of 20°C and an outdoor temperature of 39°C. How much energy does it need to remove 2000 J of heat from the interior of the house?

• A) 105 J
• B) 130 J
• C) 780 J
• D) 520 J
• E) 340 J

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Definitions:

American Psychological Association

A leading scientific and professional organization representing psychology in the United States, dedicated to advancing the creation, communication, and application of psychological knowledge to benefit society and improve lives.

Frequency Polygons

A graphical representation of the distribution of a dataset that shows the frequencies of classes via connected dots.

Variability

The measure of how spread out or scattered scores are in a distribution.

Modality

The number of peaks or modes in the distribution of data, used to describe the shape of the data distribution.