Explain the process of combustion and describe how it converts chemical energy into thermal energy.

Identify five household or industrial devices and classify them according to their energy conversion type (electrical, mechanical, chemical, or thermal).

Explain the principle of geothermal energy working, usage and technological aspects.

What are the various types of digester? Explain, in detail.

Discuss in detail a wind-solar hybrid system.

Describe the collector-cum-storage solar water heater in detail.

 Discuss in detail the environmental impact of fossil fuels.

Describe briefly the different forms of renewable energy.

Compare the nuclear fusion and fission process in detail.

Describe the steps involved in the process of petroleum refining.

What is coal extraction? Classify coal extraction and explain the classifications.

 Classify the various energy resources and explain each of them.

Discuss how the adoption of energy-efficient devices (like LEDs, CFLs, and efficient motors) can significantly reduce national energy demand.

In what ways can steel industries reduce their energy intensity without affecting productivity? Discuss with reference to process optimization.

Explain the significance of grid modernization (like smart grids and distributed generation) in enhancing reliability and energy efficiency.

Discuss the importance of proper design and maintenance of electrical installations in reducing energy loss and ensuring safety.

Discuss the thermodynamic and electrical principles governing energy conversion devices such as generators and motors.

How do fundamental electrical principles (Ohm's Law, Kirchhoff's Laws) contribute to optimizing industrial energy systems?

How does exergy analysis provide a more accurate picture of system efficiency compared to traditional energy balance methods?

Explain how the laws of thermodynamics form the foundation for understanding energy conversion and efficiency in industrial systems.