The Ocean Thermal Energy Conversion Project Uses the Surface Water

question 54

Multiple Choice

The ocean thermal energy conversion project uses the surface water near tropical islands with a temperature of 20°C as the hot temperature reservoir,and the water at some depth,with a temperature of 5.0°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)4.7%
• B)5.1%
• C)7.9%
• D)15%
• E)30%

---

Definitions:

Phospholipids

A class of lipids that are a major component of all cell membranes as they can form lipid bilayers.

Lipid Bilayer

A thin polar membrane made of two layers of lipid molecules; fundamental structure of cell membranes.

Soaps

Salts of fatty acids used in cleaning and as surfactants, produced from the reaction of fats with a strong base.

Soaps

Salts of fatty acids, created through the saponification process, used primarily for cleaning.