Practice Fuel Cell Stacks (1.5) - Fuel Cells - Renewable Energy Engineering

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9 questions

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2 cards from this section. Quick, good the night before a test.
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6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the primary function of a fuel cell stack?
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Think about what single cells can do.
Question 2.
How much voltage does each fuel cell typically produce?
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Remember the common standard for individual cells.
3Question 3.
What voltage does a single fuel cell typically produce?
- 0.5V
- 0.7V
- 1.0V
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Recall the standard voltage for individual cells.
4Question 4.
True or False: Fuel cell stacks can be used in vehicles and space applications.
- True
- False
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Think about the versatility of fuel cells.
Question 5.
Design a basic fuel cell stack to power a small vehicle, considering the total voltage needed and the number of cells required.
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Consider the operational voltage requirement for the vehicle.
Question 6.
Evaluate the efficiency of a fuel cell stack that operates at 80% efficiency due to real-world conditions, while following the theoretical maximum of 83%. Why does this efficiency matter?
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Think about energy loss mechanisms and their implications.

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