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EX-603 (B) · Energy Conservation & Management/Important Questions

Energy Conservation & Management (EX-603 (B)) - Important Questions

  1. 7 Marks High Priority Asked: 2025, 2024

    Define energy audit (and energy conservation), explain its types and significance in energy management.

    Appeared 3x (2025, 2024)

  2. 7 Marks High Priority Asked: 2024, 2023

    Explain the various instruments used for energy auditing.

    Appeared 3x (2024, 2023)

  3. 7 Marks High Priority Asked: 2025, 2023, 2020

    Explain the responsibilities, duties, qualities and functions of an energy manager in an industry.

    Appeared 3x (2025, 2023, 2020)

  4. 14 Marks Medium Priority Asked: 2025

    Write short notes on any two given topics including energy auditing instruments, disadvantages of poor power factor, payback period, and VSD.

    Appeared 1x (2025)

  5. 7 Marks Medium Priority Asked: 2024, 2020

    Draw and explain the energy flow / material-load energy balance diagram in a plant.

    Appeared 2x (2024, 2020)

  6. 7 Marks Medium Priority Asked: 2024

    Explain the importance of energy policy with the help of an example.

    Appeared 1x (2024)

  7. 7 Marks Medium Priority Asked: 2024

    Why there is always loss of energy in material flow? Explain.

    Appeared 1x (2024)

  8. 7 Marks Low Priority Asked: 2023, 2020

    Explain the steps/procedure for executing a detailed energy audit and energy management.

    Appeared 2x (2023, 2020)

  9. 7 Marks Low Priority Asked: 2023

    What is Energy Conservation? Explain benefits of energy conservation and two ways in which energy can be saved in day-to-day life.

    Appeared 1x (2023)

  10. 7 Marks High Priority Asked: 2025, 2024

    Explain the purpose and role of predictive and preventive maintenance in energy auditing.

    Appeared 2x (2025, 2024)

  11. 7 Marks High Priority Asked: 2025, 2024

    Explain waste heat recovery techniques and their applications in industry/thermal systems.

    Appeared 2x (2025, 2024)

  12. 7 Marks High Priority Asked: 2025, 2023, 2020

    Explain thermal energy audit in heating, ventilation and air conditioning (HVAC / air conditioning) systems.

    Appeared 3x (2025, 2023, 2020)

  13. 7 Marks Medium Priority Asked: 2025, 2020

    Give a detailed analysis of the first and second laws of thermodynamics with examples.

    Appeared 2x (2025, 2020)

  14. 7 Marks Medium Priority Asked: 2025

    Discuss the use of agricultural waste in energy conservation.

    Appeared 1x (2025)

  15. 14 Marks Medium Priority Asked: 2024

    Write short notes on any two of: energy efficient housekeeping, second law of thermodynamics, and variable speed drive.

    Appeared 1x (2024)

  16. 7 Marks Medium Priority Asked: 2024

    Describe the significance of second law of thermodynamics in energy conservation.

    Appeared 1x (2024)

  17. 7 Marks Medium Priority Asked: 2024

    Discuss energy efficient housekeeping in energy conservation.

    Appeared 1x (2024)

  18. 7 Marks Medium Priority Asked: 2024

    What are waste heat recovery boilers? Explain their need and benefits.

    Appeared 1x (2024)

  19. 7 Marks Medium Priority Asked: 2024

    Discuss primary energy resources.

    Appeared 1x (2024)

  20. 7 Marks High Priority Asked: 2025, 2023

    What is load curve analysis and why is it important for Demand Side Management and energy conservation?

    Appeared 2x (2025, 2023)

  21. 7 Marks High Priority Asked: 2025, 2023

    Explain the various types of tariffs used for electricity consumers.

    Appeared 2x (2025, 2023)

  22. 7 Marks High Priority Asked: 2024, 2023

    Describe depreciation and explain/compare the Straight Line Method vs Written Down Value Method for calculating depreciation.

    Appeared 2x (2024, 2023)

  23. 7 Marks Medium Priority Asked: 2024, 2020

    Discuss restructuring of electric tariff from energy conservation consideration.

    Appeared 2x (2024, 2020)

  24. 7 Marks Medium Priority Asked: 2024, 2020

    Discuss cost-benefit and risk analysis for energy conservation.

    Appeared 2x (2024, 2020)

  25. 7 Marks Medium Priority Asked: 2024

    What is load management and how does DSM help in load management?

    Appeared 1x (2024)

  26. 7 Marks Medium Priority Asked: 2024

    What is DSM and what are the differences between different DSM techniques?

    Appeared 1x (2024)

  27. 7 Marks Medium Priority Asked: 2024

    Explain the payback period method for evaluation of a project.

    Appeared 1x (2024)

  28. 7 Marks Low Priority Asked: 2023, 2020

    Explain the project evaluation process and common project evaluation methods with examples.

    Appeared 2x (2023, 2020)

  29. 14 Marks Low Priority Asked: 2023

    Write short notes on special topics such as inflation risk analysis, energy conservation in buildings and cement industry, and lubrication and tribological innovations.

    Appeared 1x (2023)

  30. 7 Marks High Priority Asked: 2025, 2024, 2023

    Explain the methods/techniques for power factor improvement in a power system.

    Appeared 3x (2025, 2024, 2023)

  31. 7 Marks High Priority Asked: 2025, 2024

    Explain energy efficient motors, their importance and how they differ from standard motors.

    Appeared 2x (2025, 2024)

  32. 7 Marks Medium Priority Asked: 2024, 2020

    Explain the need for energy-efficient electric drives and how they improve energy efficiency, including in transportation.

    Appeared 2x (2024, 2020)

  33. 14 Marks Medium Priority Asked: 2024

    Write short note on any two.

    Appeared 1x (2024)

  34. 7 Marks Medium Priority Asked: 2024

    Discuss energy conservation in the transportation system with special reference to electric vehicles.

    Appeared 1x (2024)

  35. 7 Marks Medium Priority Asked: 2024

    What is simulation and modeling? Discuss.

    Appeared 1x (2024)

  36. 7 Marks Low Priority Asked: 2023, 2020

    Explain the causes of low/poor power factor and how it can be improved/corrected.

    Appeared 2x (2023, 2020)

  37. 7 Marks Low Priority Asked: 2023

    Explain how public transport vehicles help in saving energy.

    Appeared 1x (2023)

  38. 7 Marks High Priority Asked: 2025, 2024, 2023

    Explain the principle of cogeneration and its benefits for energy efficiency / conservation

    Appeared 4x (2025, 2024, 2023)

  39. 7 Marks Medium Priority Asked: 2025, 2020

    Explain how energy conservation can be implemented in buildings, including electrical systems, heating and lighting.

    Appeared 2x (2025, 2020)

  40. 7 Marks Medium Priority Asked: 2025

    Discuss energy conservation processes in sugar industry.

    Appeared 1x (2025)

  41. 7 Marks Medium Priority Asked: 2024

    Discuss energy conservation process in textile industry.

    Appeared 1x (2024)

  42. 7 Marks Medium Priority Asked: 2024

    Explain energy conservation measures for cement industry.

    Appeared 1x (2024)

  43. 7 Marks Low Priority Asked: 2023

    Explain with diagrams cogeneration systems using back pressure, extraction-condensing and double extraction back pressure turbines

    Appeared 1x (2023)

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