(SEM IV) THEORY EXAMINATION 2021-22 ENERGY SCIENCE AND ENGINEERING

SECTION A — Short Descriptive Paragraph Answers

Section A contains basic questions such as significance of heat and mechanical energy, electromagnetic energy, breeder reactors, neutron decay reaction, source of solar energy, solar insolation, angle of pitch, tip speed ratio, climate-change impacts, and energy management systems.
Each answer must be a small paragraph clearly explaining the meaning and purpose of the concept.

Extra sample questions:
Explain the meaning of energy conservation in a short paragraph.
Describe the greenhouse effect in 4–5 lines.
What is geothermal gradient? Explain briefly.

SECTION B — Medium Paragraph Descriptions

Section B includes deeper conceptual questions such as phase energy conversion, critical mass and critical size, solar cell types, geothermal energy potential, and energy optimization. These answers require one full descriptive paragraph that explains the concept, process, or method in clear sentences.

Extra sample questions:
Explain biomass energy conversion in one descriptive paragraph.
Describe the working principle of a fuel cell.
Explain the concept of combined heat and power (CHP).

SECTION C — Long Descriptive Paragraph Answers

 requires long descriptive answers on topics like quantum energy, photo/thermal/electrical aspects, binding energy, solar thermal plant mechanism, semiconductor types, wind turbines, OTEC systems, green buildings, and energy audits.
Each answer must be written as one long continuous paragraph, thoroughly explaining the working, process, and application.

Extra sample questions:
Explain nuclear fusion in a long descriptive paragraph.
Describe the classification and working of hydropower plants.
Explain the complete working of a photovoltaic solar power system.