🔑 The second law of thermodynamics states that no machine can absorb all the heat from a hot source and convert it into work.
⚙️ Machines thermal efficiency can be calculated by taking the difference between the heat supplied by the hot source and the heat lost to the cold source.
🔄 The Carnot cycle is an ideal cycle that represents the most efficient way to convert heat into work.
🔑 The second law of thermodynamics states that in a thermal machine, some of the heat energy is lost to the cold source.
⚡️ The efficiency of a thermal machine can be calculated by dividing the work done by the machine by the heat supplied by the hot source.
🌡️ The efficiency of a thermal machine is typically less than 100%, with the average automobile having an efficiency of around 30%.
🔑 The second law of thermodynamics states that the efficiency of a heat engine is always less than 1.
🔄 The Carnot cycle is a theoretical cycle that provides the highest possible efficiency for a heat engine.
📈 The efficiency of the Carnot cycle can be calculated using the Carnot efficiency formula, which is always between 0 and 1.
📊 The second law of thermodynamics states that no machine can have an efficiency equal to the Carnot cycle.
🌡️ The efficiency of the Carnot cycle can be calculated by subtracting the temperature of the cold source from the temperature of the hot source, divided by the temperature of the hot source.
⚙️ The Carnot cycle is an idealized machine that operates in an ideal manner if its cyclic process is reversed.
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