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PCEI Chapter 3

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    Temperature Plateau
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  • What happens to the temperature during a temperature plateau?
    Decreases
    Increases
    Stays constant
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  • During melting, thermal energy is stored as:
    Potential
    Kinetic
    Electrical
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  • PCM stands for:
    Phase Change Mechanism
    Phase Change Material
    Potential Change Material
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  • Long plateaus in PCMs help to:
    Keep the babies warm for a long period of time
    Cool the babies quickly
    Heat the babies fast
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  • During melting, PCM molecules:
    Stop moving
    Move more
    Move less
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  • During freezing, stored energy release as:
    Potential
    Kinetic
    Thermal
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  • PCMs with long plateaus:
    Cool quickly
    Heat longer
    Reheat fast
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  • The flat part of the heating graph shows:
    Temperature Plateau
    Max temperature
    Cooling
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  • During the temperature plateau, kinetic energy:
    Decreases
    Will remain constant
    Increases
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  • Which property of PCMs is NOT mentioned as a consideration for use in incubators?
    Melting and freezing temperatures
    Temperature plateau length
    Electrical conductivity
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