1. Write down some applications of fuel cells.
2. Write down the types of fuel cells. Explain them in detail.
3. Write down the main components of fuel cell?
4. What do you understand by flywheel energy storage?
5. Write down various methods of energy storage.
6. What are the classifications of batteries?
7. What do you mean by energy efficiency?
8. Describe life cycle of the battery in detail.
9. What do you understand by power capacity?
10. What do you mean by specific power?
11. Write down the advantages of flywheel over batteries?