EX-603-B Energy Conservation and Management - May 2023 Question Paper

Under each question, How to answer lists the points an answer should cover, outlined by CampusPrep from the syllabus. Check the details against your textbook.

1. 7 Marks
   aWhat are the responsibilities and duties of energy manager in an industry?
   How to answer

   • Define role of energy manager in industry
   • List responsibilities: energy audit, monitoring, reporting
   • List duties: policy implementation, conservation measures, training
   • Mention coordination with management and compliance
2. 7 Marks
   bSuppose you are an energy manager in an institutional organization. Explain the steps for energy auditing and energy management in an institutional organization.
   How to answer

   • Assume role of energy manager in institutional organization
   • Outline preliminary audit and data collection steps
   • Describe detailed audit, analysis and recommendations
   • Explain implementation, monitoring and management system
3. 7 Marks
   aExplain thermal energy audit in heating ventilation and air conditioning.
   How to answer

   • Define thermal energy audit and HVAC system
   • List audit steps: data collection, measurements
   • Explain heat load, ventilation and AC efficiency analysis
   • Mention conservation opportunities in HVAC
4. 7 Marks
   bDescribe briefly the various instruments used for energy auditing.
   How to answer

   • Define need of instruments for energy auditing
   • List electrical, thermal and lighting instruments
   • Brief function of each: power analyzer, flue gas analyzer etc.
   • Mention selection and use in audit
5. 7 Marks
   aExplain the various types of tariffs used for electricity consumers.
   How to answer

   • Define electricity tariff and its purpose
   • Explain types: flat, block, two-part, TOD, peak-off peak etc.
   • Compare applicability to consumer categories
   • Mention role in conservation and revenue
6. 7 Marks
   bWhy the study of load curves is important for energy conservation?
   How to answer

   • Define load curve and load factor
   • Explain information from daily, monthly curves
   • Link to peak demand, planning and conservation
   • Conclude importance for utilities and consumers
7. 7 Marks
   aWhat are the techniques available for power factor improvement in a power system?
   How to answer

   • Define power factor and its impact
   • List techniques: capacitors, synchronous condensers, etc.
   • Explain static VAR, filters and location of correction
   • Mention selection criteria in power system
8. 7 Marks
   bDiscuss about the Straight Line Method vs Written Down Value Method.
   How to answer

   • Define depreciation and both methods
   • Explain Straight Line Method formula and features
   • Explain Written Down Value Method formula and features
   • Compare merits, demerits and applications
9. 7 Marks
   aWhat do you mean by Project Evaluation Process? Also discuss about the best project evaluation methods.
   How to answer

   • Define project evaluation process
   • List stages: technical, economic, financial appraisal
   • Discuss methods: NPV, IRR, payback, benefit-cost
   • Identify best method and selection criteria
10. 7 Marks
    bHow can public transport vehicle help in saving energy?
    How to answer

    • Define energy use in transport sector
    • Explain higher occupancy and lower per-capita consumption
    • Discuss reduced congestion, fuel saving and emissions
    • Mention mass transit planning measures
11. 7 Marks
    aWhat is power factor correction? Also discuss what are the causes of poor power factor?
    How to answer

    • Define power factor correction
    • Explain need and benefits of correction
    • List causes of poor power factor: inductive loads etc.
    • Mention effects of low power factor
12. 7 Marks
    bWhat is Energy Conservation? Explain benefits of energy conservation and two ways in which energy can be saved in day-to-day life.
    How to answer

    • Define energy conservation
    • List benefits: cost, environment, security
    • Explain two day-to-day saving methods with examples
    • Conclude with conservation potential
13. 7 Marks
    aExplain with diagrams cogeneration systems using the back pressure turbine, extraction-condensing turbine and double extraction back pressure turbine.
    How to answer

    • Define cogeneration system
    • Draw schematic for back pressure turbine system
    • Draw schematic for extraction-condensing and double extraction systems
    • Compare operation and applications
14. 7 Marks
    bWhat is Cogeneration? Also discuss about Energy Conservation in Power Plants.
    How to answer

    • Define cogeneration / combined heat and power
    • Explain principle and efficiency advantage
    • Discuss energy conservation measures in power plants
    • Mention waste heat recovery and auxiliary savings
15. 14 Marks
    Write short notes on: (any two)

    1. a)Special problems inflation risk analysis
    2. b)Electrical Energy Conservation in building
    3. c)Energy conservation process in Cement Industry
    4. d)Lubrication and tribo-logical innovations
    How to answer

    • Select any two topics from a-d
    • Define key terms and scope for each
    • Explain conservation measures / analysis steps
    • Give examples and benefits