Lytle - APES Ch 17 Vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
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| cogeneration | The capture ad use of waste heat; for example using waste heat from a power plant to heat adjacent factories and other buildings
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| conservation | With respect to resources such as energy, refers to changing our patterns of use or simply getting by with less.In a pragmatic sense the term means adjusting our needs to minimize use of particular resource, such as energy.
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| energy | An abstract concept referring to the ability or capacity to do work.
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| energy efficiency | Refers to both 1st-law efficiency & 2nd-law efficiency.
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| first-law efficiency | The ratio of actual amount of energy delivered where it is needed to the amount of energy supplied in order to meet that need; expressed as a percentage
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| first law of thermodynamics | The principle that energy may not be created or destroyed but is always conserved
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| hard path | Energy policy based on the emphasis of energy quantity generally produced from large centralized power plants
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| integrated energy management | Use of a range of energy options that vary from region to region, including a mix of technology and sources of energy
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| micropower | The production of electricity using smaller distributed systems rather than relying on large central power plants
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| second-law efficiency | The ratio of the minimum available work needed to perform a particular task to the actual work used to perform that task. Reported as a percentage
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| second law of thermodynamics | A fundamental principle of energy that states that energy always tends to go from a more usable form to a less usable form. When we say that energy is converted to a less useful form we mean that entropy of the system has increased.
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| soft path | Energy policy that relies heavily on renewable energy resources as well as other sources that are diverse, flexible, and matched to the end-use needs
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| sustainable energy development | A type of energy management that provides for reliable sources of energy while not causing environmental degradation and ensuring that future generations will have a fair share of Earth's resources.
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| work | Force times the distance through which it acts. When work is done we say energy is expended.
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