A Certain Heat Engine Extracts 1

question 78

Multiple Choice

A certain heat engine extracts 1.30 kJ of heat from a hot temperature reservoir and discharges 0.70 kJ of heat to a cold temperature reservoir.What is the efficiency of this engine?

• A)46%
• B)54%
• C)86%
• D)27%
• E)13%

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Definitions:

Increasing-Cost Industry

An industry in which the costs of production increase as the industry's output expands, typically due to resource limitations or increased demand for inputs.

Slope

A measure of the steepness or incline of a line, representing the rate at which y-values change for each unit increase in x-values.

Pure Competition

A market structure characterized by a large number of small firms, identical products, and free entry and exit from the market.

Long-run Adjustments

Changes a firm or industry makes over a long period to adapt to changes in demand, technology, or other economic factors.