Podcast
Questions and Answers
What is the key characteristic of the energy of an isolated system?
What is the key characteristic of the energy of an isolated system?
- The energy is always increasing
- The energy is always decreasing
- The energy is always constant (correct)
- The energy can change in any direction
Which property can be used to differentiate thermodynamics from other sciences?
Which property can be used to differentiate thermodynamics from other sciences?
- Volume
- Temperature (correct)
- Mass
- Pressure
What is the direction of the thermodynamic work done by the system on the surroundings?
What is the direction of the thermodynamic work done by the system on the surroundings?
- Positive (correct)
- Negative
- Depends on the system
- Neutral
What happens to the internal energy of a system when the heat transfer into the system is more than the work transfer out of the system?
What happens to the internal energy of a system when the heat transfer into the system is more than the work transfer out of the system?
Which statement about the interchangeability of heat and work is correct?
Which statement about the interchangeability of heat and work is correct?
Which of the following is NOT a heat engine cycle?
Which of the following is NOT a heat engine cycle?
What is the efficiency of a heat engine cycle defined as?
What is the efficiency of a heat engine cycle defined as?
What is the key property of a thermal energy reservoir (TER)?
What is the key property of a thermal energy reservoir (TER)?
What is true about two reversible adiabatic paths?
What is true about two reversible adiabatic paths?
What property of a system is constant during a reversible adiabatic process?
What property of a system is constant during a reversible adiabatic process?
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