An Important Feature of the Carnot Cycle Is That

question 244

Multiple Choice

An important feature of the Carnot cycle is that

• A) its efficiency depends only on the absolute temperature of the hot reservoir used.
• B) its efficiency can be 100%.
• C) it is an example of an irreversible process that can be analyzed exactly without approximations.
• D) no engine can be more efficient than a Carnot engine operating between the same two temperatures.
• E) its efficiency is determined by the temperatures of the hot and cold reservoirs between which it works and by the properties of the working substance used, and on nothing else.

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Definitions:

Step-Variable Cost

Costs that are fixed over a small range of activity but can change with significant changes in the volume of activity.

Sunk Cost

Expenses already incurred and which cannot be recovered, and should not be considered when making future business decisions.

Direct Manufacturing Cost

The sum of all costs directly tied to the production process, including direct labor and raw materials.

Manufacturing Overhead

Costs incurred in the production process that are not directly associated with individual units, including indirect materials, labor, and utilities, vital for operational continuity.