Master the Science of Heat Transfer
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Questions and Answers

Which of the following is a driving force behind fluid movement?

  • Difference in color
  • Difference in temperature
  • Difference in velocity
  • Difference in pressure (correct)

    • What is the driving force behind heat transfer?

  • Difference in temperature (correct)
  • Difference in velocity
  • Difference in pressure
  • Difference in color

    • Why is it important to understand how and why heat moves?

  • To keep the inside of a building at a good temperature (correct)
  • To air condition the whole neighborhood
  • To design a tropical island
  • To prevent heat transfer

    • Which method of heat transfer involves the collisions of molecules or other particles?

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

    What is the equation for thermal resistance?

    <p>Thermal Resistance = Thickness of the layer * Material's thermal conductivity * Area of the layer</p> Signup and view all the answers

    Which material has a high thermal conductivity?

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

    Which type of convection involves natural movement of fluid without any external forces?

    <p>Natural convection</p> Signup and view all the answers

    What is the term for the layer of air that comes to a stop when it touches a surface?

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

    What is the convective heat transfer coefficient represented by?

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

    Which type of heat transfer can happen without any contact between the heat source and the object?

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

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