Fuel cells generate electricity at efficiencies of 40 percent and ____ with cogeneration systems that use the excess heat.
A) 50 percent
B) 65 percent
C) 80 percent
D) 95 percent
Correct Answer:
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Q2: What are three ways in which the
Q3: How was Sir William Grove's device constructed?
Q4: An electrolyzer uses electricity to free hydrogen
Q5: Fuel cells are classified by the type
Q6: A single fuel cell consists of a(n)
Q7: The fuel cell is an electrochemical energy
Q8: A hydrogen fuel cell is _ source
Q9: GE remains the world leader in fuel
Q10: In an interactive system, the inverter must
Q11: _ of the hydrogen currently produced today
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