A Carnot Engine Has an Efficiency of 83

question 12

Multiple Choice

A Carnot engine has an efficiency of 83.0% and performs 4500 J of work every cycle. How much energy is discharged to the lower temperature reservoir every cycle?

• A) 922 J
• B) 833 J
• C) 744 J
• D) 3735 J
• E) 5422 J

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Definitions:

Machining

The process of removing material from a workpiece to shape or finish it using machine tools, typically in a manufacturing or engineering setting.

Unit-level Activity

Pertains to the activities or actions that vary directly with the number of units produced or services delivered.

Product-level Activity

Activities and costs associated with a specific product, rather than with a company's operations as a whole.

Plantwide Overhead Rate

A single predetermined overhead rate that is used throughout a plant.