Thermodynamics Basics
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Questions and Answers

What does thermodynamics deal with?

  • Conversion of electrical energy into thermal energy
  • Conversion of mechanical energy into thermal energy (correct)
  • Conversion of light energy into sound energy
  • Conversion of nuclear energy into kinetic energy

    • Which of the following is NOT a state variable in thermodynamics?

  • Velocity (correct)
  • Internal Energy
  • Pressure
  • Temperature

    • What is a closed system in thermodynamics?

  • A system where neither mass nor energy cross the boundaries
  • A system where mass crosses boundaries but energy does not (correct)
  • A system where only energy crosses the boundaries
  • A system where both mass and energy cross the boundaries

    • Which term defines 'anything outside the system which affects the behavior of the system'?

    <p>Surroundings</p> Signup and view all the answers

    What separates the system and surroundings in thermodynamics?

    <p>Boundary</p> Signup and view all the answers

    In an isolated system, what crosses the boundaries?

    <p>Neither mass nor energy</p> Signup and view all the answers

    Two systems are in thermal equilibrium if there is a transfer of heat between them and both have the same temperature.

    <p>False</p> Signup and view all the answers

    The Zeroth law of thermodynamics states that if two bodies are each in thermal equilibrium with some third body, then they are also in equilibrium with each other.

    <p>True</p> Signup and view all the answers

    A boundary separating a system and its surroundings can only be movable or imaginary, never fixed.

    <p>False</p> Signup and view all the answers

    Thermodynamic processes involve the movement of mass within a system or between systems.

    <p>False</p> Signup and view all the answers

    The surroundings of a system occupy volume and mass in space.

    <p>False</p> Signup and view all the answers

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