EX-603-B Energy Conservation and Management - Dec 2024 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
   aExplain energy auditing in detail.
   How to answer

   • Definition and objectives of energy auditing
   • Types of audit - preliminary and detailed
   • Steps: data collection, analysis, recommendations
   • Energy balance and reporting
2. 7 Marks
   bWhat are instruments used for energy auditing? Explain.
   How to answer

   • Need for instruments in energy audit
   • List: power analyzer, flue gas analyzer, lux meter, thermocouple
   • Flow, pressure and fuel measurement instruments
   • Use of each instrument with example
3. 7 Marks
   aDescribe the significance of second law of thermodynamics in energy conservation.
   How to answer

   • Statement of second law of thermodynamics
   • Concept of exergy, irreversibility and entropy
   • Significance for efficiency and waste minimization
   • Application to energy conservation
4. 7 Marks
   bDiscuss energy efficient housekeeping in energy conservation.
   How to answer

   • Meaning of energy efficient housekeeping
   • Low-cost/no-cost measures and operation practices
   • Lighting, HVAC, motors maintenance examples
   • Benefits in energy saving
5. 7 Marks
   aWhat is load management and how DSM helps in load management?
   How to answer

   • Definition of load management
   • Concept of Demand Side Management (DSM)
   • DSM techniques: peak clipping, load shifting
   • How DSM helps utilities and consumers
6. 7 Marks
   bDiscuss restructuring of electric tariff from energy conservation consideration.
   How to answer

   • Need for tariff restructuring
   • Considerations: time-of-day, peak pricing
   • Incentives for conservation and load factor improvement
   • Impact on energy conservation
7. 7 Marks
   aDiscuss energy conservation in transportation system especially in electric vehicle.
   How to answer

   • Energy use in transportation sector
   • Conservation measures: efficient engines, public transport
   • Electric vehicle technology and efficiency
   • Charging, regenerative braking benefits
8. 7 Marks
   bWhat is simulation and modeling? Discuss.
   How to answer

   • Definition of simulation
   • Definition of modeling
   • Types and purpose in energy systems
   • Example application
9. 7 Marks
   aDiscuss the energy conservation process in textile industry.
   How to answer

   • Energy consumption in textile industry
   • Major energy intensive processes: spinning, dyeing
   • Conservation opportunities: efficient motors, heat recovery
   • Housekeeping and technology upgradation
10. 7 Marks
    bHow cogeneration is helpful in energy conservation?
    How to answer

    • Definition of cogeneration
    • Principle of combined heat and power
    • Efficiency improvement over separate generation
    • Role in energy conservation
11. 7 Marks
    aExplain how electric drives have improved energy efficiency in transportation?
    How to answer

    • Role of electric drives in transportation
    • Variable speed control and efficiency
    • Regenerative braking and reduced losses
    • Comparison with conventional drives
12. 7 Marks
    bExplain waste heat recovery techniques in industry.
    How to answer

    • Concept of waste heat and its sources
    • Recovery techniques: recuperators, regenerators, economizers
    • Waste heat boilers and heat pipes
    • Benefits and applications in industry
13. 7 Marks
    aWhat is cost benefit risk analysis? Explain in detail.
    How to answer

    • Definition of cost benefit risk analysis
    • Steps: cost estimation, benefit quantification
    • Risk assessment methods
    • Use in energy project decisions
14. 7 Marks
    bDescribe depreciation. Explain the method used for calculating the depreciation.
    How to answer

    • Definition of depreciation
    • Need in economic analysis
    • Methods: straight line, declining balance, sum of years
    • Formula and example calculation
15. 14 Marks
    Write short note on any two.

    1. i)Matrix chart
    2. ii)Load energy balance diagram
    3. iii)Conservation in building
    4. iv)Energy flow networks
    How to answer

    • Lead-in on any two topics
    • Definition and key points of first chosen topic with diagram if needed
    • Definition and key points of second chosen topic
    • Relevance to energy conservation