The Ideal Efficiency for a Heat Engine Operating Between Temperatures

question 29

Multiple Choice

The ideal efficiency for a heat engine operating between temperatures of 2700 K and 300 K is

• A)10%.
• B)24%.
• C)80%.
• D)89%.
• E)none of these

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Definitions:

Aggregate Supply

The total supply of goods and services that firms in an economy are willing and able to sell at a given overall price level in a given time period.

Aggregate Expenditure

Total spending on final goods and services in an economy during a given period, usually a year.

Net National Product

The total value of goods and services produced by a country's citizens, adjusted for depreciation; it reflects the nation's overall economic productivity after wear and tear on assets.

Profit-maximizing Condition

The state or point at which a business achieves the highest level of profit with the least amount of cost, often by equating marginal cost and marginal revenue.