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Home Q & A Board Science-Related Homework Help Physics
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einsteindude einsteindude
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9 years ago
Compared with the efficiency of a typical steam-electric generating plant, the efficiency of a typical hydro-electric generating plant is       

A) greater because a hydro-electric plant is not a heat engine and so it does not have the large inefficiency implied by the second law of thermodynamics.
B) greater because a hydro-electric plant uses the sun as its source of energy, rather than hard-to-obtain fossil fuels.
C) smaller, because only a small amount of the energy in the water behind a dam can be converted into electricity.
D) smaller because a steam-electric converts thermal energy into non-thermal forms and the second law of thermodynamics implies that this is a highly efficient process.
E) about the same, because both are heat engines and so both have the large inefficiency implied by the second law of thermodynamics.
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
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mel!811mel!811
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