Lesson: The Carnot Cycle
In this lesson, we will learn how to calculate the efficiency of heat engines and heat pumps from the temperature difference between their reservoirs.
Sample Question Videos
Worksheet: 7 Questions • 2 Videos
A Carnot engine working between two heat baths of temperatures 600 K and 273 K completes each cycle in 5.00 s. In each cycle, the engine absorbs 10.0 kJ of heat. Find the output power of the engine.
A Carnot refrigerator works between and . The refrigerator is used to cool a bucket of water containing m3 of water from a temperature of to a temperature of in seconds. Find the total amount of work needed.
What is the initial efficiency of the engine?
What is the final efficiency of the engine?
What is the fractional change in the temperature of the hot reservoir?