Practice - Efficiency
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is the primary function of a fuel cell?
💡 Hint: Think about how batteries work versus how fuel cells operate.
Name one type of fuel cell.
💡 Hint: Look at the examples given in the section.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary product of a hydrogen fuel cell?
💡 Hint: Think about what happens when hydrogen combines with oxygen.
True or False: Fuel cells store energy like batteries.
💡 Hint: Consider how fuel cells generate power.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Calculate the practical efficiency of a given hydrogen fuel cell, knowing that its Gibbs free energy change is 237 kJ/mol and its enthalpy change is 286 kJ/mol.
💡 Hint: Use the formula presented in the detailed summary.
Analyze the advantages of using a Solid Oxide Fuel Cell (SOFC) compared to a conventional combustion engine in terms of efficiency and emissions.
💡 Hint: Consider the principles of thermodynamics and the outputs of both systems.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.