A Heat Pump Uses 200 J of Work to Output

question 64

Multiple Choice

A heat pump uses 200 J of work to output 300 J of heat into a heat reservoir at 200 K. What is the coefficient of performance for the heat pump?

• A) 1.0
• B) 1.5
• C) 2.5
• D) 2.8

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Definitions:

Nominal Variables

Variables that represent categorial data which can be labeled or named but not logically ordered.

Frequency Bar Chart

A graphical representation displaying the frequency of various outcomes in a dataset. Each bar represents the frequency of each outcome or category.

Original Observations

The initial data collected or measured directly in an experiment or study before any manipulation, transformation, or analysis.

House Ownership

The legal right of an individual or group to possess, use, and control a dwelling or residence.