MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Ocean Energy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The vapourized fluid in an ocean thermal energy conversion system is converted back into working liquid. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following best describes the working of an ocean thermal energy conversion plant? |
| A. | Oceanic water evaporator turbine/generator electricity |
| B. | Warm surface oceanic water evaporator containing working fluid turbine/generator electricity |
| C. | Cold surface oceanic water electricity evaporator containing working fluid turbine/generator |
| D. | Cold deep oceanic water electricity evaporator containing working fluid turbine/generator |
| Answer» C. Cold surface oceanic water electricity evaporator containing working fluid turbine/generator | |
| 3. |
Where is the world s only operating ocean thermal energy conversion plant located? |
| A. | Japan |
| B. | United States |
| C. | China |
| D. | Korea |
| Answer» B. United States | |
| 4. |
What is the byproduct of an ocean thermal energy conversion system? |
| A. | Electricity |
| B. | Clean water |
| C. | Water vapour |
| D. | Cold water |
| Answer» E. | |
| 5. |
Open cycle ocean thermal energy conversion systems use _____ as the working fluid. |
| A. | vapour from rivers |
| B. | water from rivers |
| C. | vapour from seawater |
| D. | seawater |
| Answer» D. seawater | |
| 6. |
_______ turbine is used in closed cycle ocean thermal energy conversion. |
| A. | Horizontal |
| B. | Low-pressure |
| C. | High-pressure |
| D. | Vertical |
| Answer» C. High-pressure | |
| 7. |
Rankine Cycle is the most commonly used heat cycle for ocean thermal energy conversion. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Which of the following is used as working fluid in closed cycle oceanic thermal energy conversion systems? |
| A. | Thermohaline circulation |
| B. | Temperature gradient |
| C. | Greenhouse gases |
| D. | Refrigerants |
| Answer» E. | |
| 9. |
Which of the following are types of systems used in ocean thermal energy conversion? |
| A. | Horizontal and vertical |
| B. | Vertical and open cycle |
| C. | Open cycle and closed cycle |
| D. | Horizontal and closed cycle |
| Answer» D. Horizontal and closed cycle | |
| 10. |
Why is ocean thermal energy conversion a renewable resource? |
| A. | Because the temperature gradient lasts for a short period of time |
| B. | Because the upwelling of cold water from the deep ocean is replaced by downwelling of surface waters |
| C. | Because ocean water is available in plenty |
| D. | Because of sun s heat |
| Answer» C. Because ocean water is available in plenty | |
| 11. |
How does the cold and denser water masses sink to the depths of ocean? |
| A. | Thermohaline circulation |
| B. | Temperature gradient |
| C. | Density gradient |
| D. | Freshwater fluxes |
| Answer» B. Temperature gradient | |
| 12. |
What is the maximum estimated potential of ocean thermal energy conversion per year? |
| A. | 80 GWh |
| B. | 900 MWh |
| C. | 10000 TWh |
| D. | 88000 TWh |
| Answer» E. | |
| 13. |
What is thermohaline circulation? |
| A. | Circulation of halogens throughout the ocean |
| B. | Circulation of halogens due to temperature differences throughout the ocean |
| C. | Large scale ocean circulation driven by global density gradients |
| D. | Large scale halogens circulation due to global density gradients |
| Answer» D. Large scale halogens circulation due to global density gradients | |
| 14. |
What is the temperature difference used in ocean thermal energy conversion? Note that F denotes Fahrenheit |
| A. | 10 degree F |
| B. | A minimum of 77 degree F |
| C. | Between 50 and 60 degree F |
| D. | A minimum of 100 degree F |
| Answer» C. Between 50 and 60 degree F | |
| 15. |
What is ocean thermal energy conversion? |
| A. | Harnessing the temperature differences between surface waters and deep ocean waters |
| B. | Harnessing the temperature differences between the coastal waters and deep ocean waters |
| C. | Harnessing the heat energy from the underwater volcanoes |
| D. | Harnessing the heat energy between surface water vapour and atmospheric gases |
| Answer» B. Harnessing the temperature differences between the coastal waters and deep ocean waters | |