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Consider the following statements about Ocean Thermal Energy Conversion (OTEC):
- OTEC systems work best in tropical regions where the temperature difference between surface and deep waters is significant.
- OTEC can generate energy both day and night, making it a continuous energy source.
- The system requires high tidal ranges to function efficiently.
- OTEC is fully commercialized and widely deployed around the world.
How many of the above statements is/are correct?
- (a) Only one
- (b) Only two
- (c) Only three
- (d) All four
Solution: B
Statement 1 is correct. OTEC systems work best in tropical regions where the temperature difference between the warm surface water and cold deep water is significant.
Statement 2 is correct. Since temperature differences exist both day and night, OTEC can provide continuous energy.
Statement 3 is incorrect. OTEC does not depend on tidal ranges; it works based on the temperature difference in water layers.
Statement 4 is incorrect. OTEC is still in its developmental stages and is not yet widely deployed on a commercial scale.
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