The Ocean Thermal Energy Conversion Project Uses the Surface Water $20 ^ { \circ } \mathrm { C }$

question 13

Multiple Choice

The ocean thermal energy conversion project uses the surface water near tropical islands with a temperature of $20 ^ { \circ } \mathrm { C }$ as the hot temperature reservoir, and the water at some depth, with a temperature of $5.0 ^ { \circ } \mathrm { C }$ , as the cold temperature reservoir for a heat engine. What is the maximum possible efficiency of an engine running between those two temperatures?

• A) \(7.9 \%\)
• B) \(4.7 \%\)
• C) \(30 \%\)
• D) \(5.1 \%\)
• E) \(15 \%\)

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