Heat Transfer Quiz
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Questions and Answers

What is the movement of heat across the border of a system due to a temperature difference between the system and its surroundings called?

  • Radiation
  • Convection
  • Thermal equilibrium
  • Conduction (correct)
  • What is the potential that causes the transfer of heat from one point to another due to a difference in temperature?

  • Heat flux
  • Thermal resistance
  • Temperature gradient (correct)
  • Entropy
  • In which mode of heat transfer does heat travel through a substance or between substances in direct contact?

  • Radiation
  • Phase change
  • Convection
  • Conduction (correct)
  • What is the sum of the e?

    <p>Kinetic energy of the molecules</p> Signup and view all the answers

    If a temperature difference exists between two systems, in which direction does heat transfer occur?

    <p>From the higher to the lower temperature system</p> Signup and view all the answers

    How is heat transfer defined in thermodynamic systems?

    <p>The movement of heat across the border of the system due to a difference in temperature</p> Signup and view all the answers

    What is described as the 'potential' that causes the transfer of heat from one point to another?

    <p>Difference in temperature</p> Signup and view all the answers

    In what ways can heat travel from one place to another?

    <p>Conduction, convection, radiation</p> Signup and view all the answers

    What causes heat to transfer from a higher temperature system to a lower temperature system?

    <p>Temperature difference</p> Signup and view all the answers

    What do the molecules of a substance move because they possess?

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

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