Assessment 5 - Solutions

Assessment 5 - Solutions - Assessment 5 Solutions 1....

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Asse 1. Electrochemical devices are a. Devices that convert heat b. Devices that indirectly co c. Devices that directly conv d. None of the above. 2. Electrochemical cells are limited not limited by the Carnot effici 3. The fuel supplied to fuel cells a. Can be either hydrogen o b. Reacts with an oxidizer to c. Is not directly converted t d. A and B. 4. Fuel cells have very little moving 5. Fuel cells can produce by-produc a. NOx and SOx b. Particulate emissions c. None of the above d. A and B. 6. Fuel cells have power densities t cells have low power and specifi 7. Fuel that can be used in fuel cells a. Gasoline and methanol b. Oxygen c. Hydrogen d. A and C 8. The reactions in electrochemical 9. Oxidation is any reaction that inv reaction that involves the loss of 10. Oxidation is any reaction that inv 11. In a fuel cell, the fuel is a. Split into ions and electro b. Split into ions and electro c. A and B. d. None of the above. 12. The amount of electricity genera interfacial area available. (TRUE 13. Fuel cell operation can be separa a. Reactant delivery, electro b. Reactant delivery, chemic c. Electrochemical reaction d. Reactant delivery and che 14. The shape, size and pattern of flo performance of the fuel cell. (TR 15. Fast electrochemical reactions re
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Assessment 5 - Solutions - Assessment 5 Solutions 1....

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