One Advantage of Using Air as the Working Fluid in a Solar

question 4

Multiple Choice

One advantage of using air as the working fluid in a solar collector is ________.

• A) that freezing will not be a problem
• B) that water heats up faster than air
• C) a smaller storage facility can be used
• D) that one needs hot water for showers

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Definitions:

Opportunity Cost

Opportunity Cost is the foregone benefit that would have been derived by choosing the next best alternative when making a decision.

Marginal Analysis

An examination of the added benefits of an activity compared to the added costs incurred by that same activity.

Cell Phones

Portable electronic devices that allow users to make voice calls, send text messages, and access various digital services.

Total Profit

The total income a business earns after subtracting all expenses and costs associated with its operations.