1. What do you mean by renewable energy sources? Describe these energy sources in detail with suitable example.
2.a) Why orientation is required in concentrating kind of collectors? Explain the various methods of sun tracking.
b) Describe chemical energy storage and Electromagnetic storage methods in detail.
3.a) What is the difference between fixed dome type and floating dome type Biogas plant.
b) Describe the flow diagram of the large biogas plant with wet fermentation process in detail.
4. Write down the various methods of hydrogen production? Describe them in detail.
5. Describe the safety measures which are to be taken while using hydrogen as engine fuel and explain the performance and emission characteristics of engine with hydrogen as fuel.