A Substance Undergoes a Series of Reversible Processes That Bring

question 55

Multiple Choice

A substance undergoes a series of reversible processes that bring it back to its initial state.In this cycle,heat Q_x is absorbed by the substance and heat Q_y is rejected.The net amount of work performed by the substance is

• A)Q_y - Q_x
• B)Q_x - Q_y
• C)(Q_y - Q_x)/Q_y
• D)(Q_x - Q_y)/Q_x
• E)(Q_x - Q_y)/Q_y

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Definitions:

Consumption

Domestic consumption of goods and services by households.

Autonomous Consumption

The level of consumption that occurs when income is zero, reflecting the basic level of spending necessary to sustain life.

Disposable Income

Available financial resources destined for household spending and saving upon deducting income taxes.

Saving

The process of setting aside a portion of current income for future use, typically to hedge against unexpected expenses, achieve financial goals, or secure a retirement.