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Energy Engineering Practice Test: Fuel Cell
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A fuel cell is a device that converts chemical energy into electricity. Fuel cells are similar to batteries, but they don't need to be recharged. They can be used to power buildings, vehicles, and electronic devices.  Fuel cells have several benefits over conventional combustion-based technologies, including: Efficiency: Fuel cells can operate at higher efficiencies than combustion engines. Emissions: Fuel cells have lower or zero emissions compared to combustion engines.  Fuel cells are categorized into five groups based on the materials of construction and operating... Show more
Energy Engineering Practice Test: Fuel Cell
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13 Questions

1. The type of reactions in a fuel cell is not determined by __________
2. What is the voltage output of hydrogen-oxygen fuel cell?(in V)
3. Which of these fuel cell operates at temperature below 100.C?
4. The fuel cell is considered a battery in which ___________ is continuously replaced.
5. Which of these should not be a properties of fuel cell electrodes?
6. What is the voltage output of methane-oxygen fuel cell?(in V)
7. Fuel cell performance is not limited by __________
8. What is the voltage output of methane-oxygen fuel cell?(in V)
9. Fuel cell converts chemical energy to electrical energy using a reaction that __________
10. For which of these devices does negative charge carriers flow from anode to cathode in the external circuit?
11. Which of these fuel cells operates at high temperatures and pressures?
12. Fuel cell converts chemical energy to electrical energy using a reaction that __________
13. What is the voltage output of carbon-oxygen fuel cell?(in V)