Thermodynamics Quiz True or False

1.	The Carnot Cycle consists of ______________. -> Step 1: isobaric expansion, Step 2: adiabatic expansion, Step 3: isothermal compression, Step 4: adiabatic compression True False
2.	There is no change in the internal energy of a system during ______________. -> an isothermal expansion True False
3.	The highest efficiency at which a heat engine can operate is ______________. -> the Carnot efficiency True False
4.	In a cyclic, thermal process where the volume and pressure of the system return to their original values, ______________. -> there is no change in internal energy True False
5.	In which of these processes is no work done? -> An isovolumetric process True False
6.	The first law of thermodynamics states that ______________. -> the entropy of the universe always increases True False
7.	The Carnot efficiency of a heat engine depends on ______________. -> the temperature of the hot and the cold reservoirs only True False
8.	How much work is done during the isobaric expansion of an ideal gas, if the volume is increased from 2 × 10^-3 m³ to 15 × 10^-3 m³ at a pressure of 1.3 × 10⁵ Pa? -> 1690 J True False
9.	Carnot's principle states that ______________. -> the most efficient engine is one that is reversible True False
10.	Two thermodynamic cycles start and end at the same pressure and volume. What can we say about these processes? -> The change in internal energy and the work done during both processes is the same. True False

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