Important RGPV Question
ME 803 (B) Energy Conservation, Management & Audit
VIII Sem, ME
UNIT 1- Energy Management
Q.1) Discuss roll, duties, responsibilities and qualifications of an energy managers in industry.
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Q.2) Discuss the tips for energy conservation in the Heating Ventilation and Air Conditioning systems.
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Q.3) What is the Duties and responsibilities of energy managers?
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Q.4) Explain any five energy management opportunities in lighting systems.
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Q.5) Explain the maximum demand.
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Q.6) Explain the methods to control maximum demands.
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Q.7) What do you mean by Energy Management? Explain it’s importance.
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Q.8) List the duties of a Energy Manager.
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UNIT 2- Energy Audit
Q.1) Distinguish between ‘Preliminary Energy Audit’ and ‘Detailed Energy Audit’.
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Q.2) List energy audit instruments. Discuss any three in detail.
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Q.3) Write some important highlights, focusing area and distribution of power under Energy Conservation Act, 2001.
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Q.4) Explain the terms: energy benchmarking, energy cost, energy performance.
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Q.5) Discuss various types of energy audit instruments.
(RGPV Dec 2020)
UNIT 3- Material Energy Balance
Q.1) What is energy policy planning? Explain key elements considered in Energy Action Planning.
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Q.2) What is Force Field Analysis? How it can be done? Discuss.
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Q.3) Write short note on force field analysis and its application.
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Q.4) Explain the need of Energy Audit.
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Q.5) How do you estimate energy cost?
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Q.6) What is Energy balance diagram? Explain its objectives.
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Q.7) What are key elements of energy action planning?
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Q.8) Why force field analysis is needed in energy planning? How it is helpful?
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Q.9) State brief about Energy Policy of India upto 2020.
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UNIT 4- Monitoring And Targeting
Q.1) State rationale and benefits for Monitoring, Targeting and Reporting in energy system.
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Q.2) Explain energy conservation in steam turbine.
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Q.3) Explain energy conservation techniques in electrical motors.
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Q.4) Explain the energy management opportunities in motors.
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Q.5) What is meant by loading of motor? Why does the efficiency of motor reduce when it operates at lower loading? List down any 2 steps to improve the operating efficiency of under-loaded motors.
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Q.6) Explain the concept of present worth method.
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Q.7) List the different types of depreciation methods.
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Q.8) Discuss the areas of losses in electrical motors.
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UNIT 5- Thermal Energy Management
Q.1) Explain principle of thermal insulation. List five insulation materials with specifications.
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Q.2) Define Fluidized Bed Combustion (FBC). State its applications.
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Q.3) Discuss thermal energy enhancement techniques in solar water heater.
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Q.4) What is meant by waste heat recovery? What are the direct and indirect benefits of waste heat recovery?
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Q.5) What is meant by Steam traps? Explain the operation of thermostatic steam trap.
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Q.6) Explain how setting a lower evaporator temperature helps in reducing the power consumption of an air conditioning system? List down any three energy saving measures in domestic air conditioning system.
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Q.7) Define heat exchanger. State its types with neat sketches.
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Q.8) Discuss various methods for ‘Building energy management’.
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Q9) Explain thermal insulation in thermal systems. How thickness is determined? How heat can be recovered from waste?
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Q.10) What is FBC? Discuss it’s salient features.
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Extra Questions-
Q.1) Write short note on following (any two):
a) Data and information analysis
b) Building Energy Management
c) Heat pump
d) Waste heat recovery system
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Q.2) Differentiate between simple payback period and net present value method.
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Q.3) Explain the importance of Thermal insulation for thermal energy management.
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Q.4) What is the effect of low power factor of the system?
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Q.5) A paper manufacturing company has a contract demand of 5000 KVA with the power supply company. The average maximum demand of the plant is 3850 kVA/month at a power factor of 0.95. The maximum demand is billed at the rate of Rs.500/kVA/month. The minimum billable maximum demand is 75% of the contract demand. An incentive of 0.5% reduction in energy charges component of electricity bill is provided
for every 0.01 increase in power factor over and above 0.95. The average energy charge component of the electricity bill per month for the plant is Rs. 20 lakhs. The plant decides to increase the power factor to unity by installing capacitor banks. Find the annual reduction in demand component charges and energy component charges? Find the kVAR required to improve the power factor from 0.95 to unity?
(RGPV May 2023)
— Best of Luck for Exam —
