Thermodynamics

56 Questions | Total Attempts: 933

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Thermodynamics Quizzes & Trivia

Questions on heat and thermodynamics for Principles of Engineering


Questions and Answers
  • 1. 
    • A. 

      Conduction

    • B. 

      Radiation

    • C. 

      Expansion

    • D. 

      Convection

  • 2. 
    All matter is composed of particles that are in constant, random motion.  Because of this motion, the particles have ? energy.
  • 3. 
    The quantity that tells how hot or cold something is compared to a standard is ? and it is related to the average kinetic energy of a substance.
  • 4. 
    The temperature scale that assigns 0 degrees to the freezing point of water and 100 degrees to the boiling point of water is the ? scale.
  • 5. 
    The SI scale of temperature used in scientific research is the ? scale.
  • 6. 
    If two objects are at the same temperature, the particles in both substances have the same ? kinetic energy.
  • 7. 
    Nearly all forms of matter ? when heated due to the fact that the particles will move faster and tend to move farther apart, on the average.
  • 8. 
    Which of the following is NOT a unit of heat?
    • A. 

      Fahrenheit

    • B. 

      Joule

    • C. 

      Calorie

    • D. 

      British thermal unit

  • 9. 
    Besides kinetic energy, molecules have rotational kinetic energy, potential energy due to forces between molecules and more.  The total of all energies inside a substance is called ? energy.
  • 10. 
    When heat flows from one object or substance to another it is in contact with, the substances are said to be in ? contact.
  • 11. 
    When objects are in thermal contact, heat will flow until they are at the same temperature, a condition known as ? ?
  • 12. 
    A thermometer comes to thermal equilibrium with whatever it is place in, therefore a thermometer actually registers its own temperature.
    • A. 

      True

    • B. 

      False

  • 13. 
    On the Fahrenheit scale, water freezes at ? degrees.
    • A. 

      0

    • B. 

      32

    • C. 

      36

    • D. 

      38

  • 14. 
    On the Fahrenheit scale, water boils at ? degrees.
    • A. 

      212

    • B. 

      100

    • C. 

      180

    • D. 

      220

  • 15. 
    Two strips of different metals, permanently bonded together, will curve when heated due to the different ? rates of the metals.
  • 16. 
    The term for two metals bonded together that curve when heated is a ? strip.
  • 17. 
    A device in the home that uses a bimetallic strip to turn on or to turn off the furnace is called a ?
  • 18. 
    Which has more internal energy, a bathtub full of cool water or a cup of hot water?
    • A. 

      Bathtub full of cool water

    • B. 

      Cup of hot water

  • 19. 
    If a piece of aluminum is placed in contact with both a bathtub full of cool water and a cup of hot water, which way will heat flow?
    • A. 

      From the cup to the bathtub

    • B. 

      From the bathtub to the cup

  • 20. 
    If heat flows from a cup of hot water to a bathtub full of cool water, the water in the cup will have a loss in ? energy while the water in the tub will have an increase in ? energy.Write just one answer, it is the same for both question marks.
    • A. 

      Thermal

    • B. 

      Heat

    • C. 

      Internal

  • 21. 
    If heat flows from a cup of hot water to a bathtub full of cool water, the temperature gain of the water in the tub will be ? the temperature change of the water in the cup.
    • A. 

      The same as (but opposite sign)

    • B. 

      Greater than (but opposite sign) than

    • C. 

      Smaller than (but opposite sign) than

  • 22. 
    The transfer of heat between materials that are in direct contact is called ?
  • 23. 
    Conduction takes place very easily in metals primarily because metals have very "loose" outer ? in their atoms that can drift through the metal and jostle other particles.
  • 24. 
    A very poor conductor such as wood or styrofoam is known as an ? because they delay the transfer of heat.
  • 25. 
    Air is a good conductor.
    • A. 

      True

    • B. 

      False