Practice - Heat Engines and Refrigerators
Practice Questions
Test your understanding with targeted questions
Define a heat engine.
💡 Hint: Think about the basic operation and energy transfer.
Name one stage of the Carnot cycle.
💡 Hint: Consider the processes involved in heat engines.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary function of a heat engine?
💡 Hint: Think about what these engines do with heat energy.
True or False: A refrigerator transfers heat from a cold reservoir to a warm one by performing work.
💡 Hint: Review how refrigerators operate.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A Carnot heat engine operates between two reservoirs at 600 K and 300 K. Calculate the work done if it absorbs 800 J of heat from the hot reservoir.
💡 Hint: Remember to calculate the efficiency before determining the work output.
Explain how a heat pump works and calculate its COP if it moves 1000 J of heat from a cold space while doing 200 J of work.
💡 Hint: Relate work with heat transfer and understand how COP is established.
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Reference links
Supplementary resources to enhance your learning experience.