EX-603 (B) RGPV B.Tech

Energy Conservation & Management (ECM)

Previous year papers and the official syllabus are free to read, no account needed.

Previous Year Papers

4 papers, latest Jun 2025

Free

Topics as the official RGPV syllabus lists them.

Unit 1 General energy problem 12

Energy use patterns and scope for conservation
Energy audit: Energy monitoring, Energy accounting and analysis, Auditing and targeting
Energy conservation policy
Energy management & audit
Types of energy audit
Energy management (audit), qualities and function of energy managers
Language of an energy manager
Questionnaire, Check list for top management
Loss of energy in material flow
Energy performance, maximizing system efficiency, optimizing input energy requirements
Energy auditing instruments
Material load energy balance diagram

Unit 1 notes

Unit 2 Thermodynamics of Energy Conservation 10

Basic principle
Irreversibility and second law efficiency analysis of systems
Primary energy sources, optimum use of prime-movers
Energy efficient housekeeping
Energy recovery in thermal systems
Waste heat recovery techniques
Thermal insulation
Thermal energy audit in heating, ventilation and air conditioning
Maintenance and energy audit – friction, lubrication and tribological innovations
Predictive and preventive maintenance

Unit 2 notes

Unit 3 Load curve analysis & load management 6

Load curve analysis & load management (DSM)
Energy storage for power systems (mechanical, thermal, electrical & magnetic)
Restructuring of electric tariff from energy conservation considerations
Economic analysis, depreciation method, time value of money
Evaluation method of projects, replacement analysis, special problems, inflation risk analysis
Payback period, energy economics, cost‑benefit risk analysis

Unit 3 notes

Unit 4 Energy efficient electric drives 5

Energy efficient electric drives
Energy efficient motors vs. VSD (variable speed drive)
Power factor improvement in power system
Energy conservation in transportation systems, especially electric vehicles
Energy flow networks, simulation & modeling, formulation of objectives & constraints, alternative options, matrix chart

Unit 4 notes

Unit 5 Energy conservation task before industry 4

Unit 5 notes

Counted from 4 past EX-603 (B) papers.

Average marks of the questions from each unit in one paper. You answer only some of them, so the total is more than the paper’s maximum.

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

Asked 4 times: 2025, 2024, 2023
Define energy audit (and energy conservation), explain its types and significance in energy management.

Asked 3 times: 2025, 2024
Explain the methods/techniques for power factor improvement in a power system.

Asked 3 times: 2025, 2024, 2023