Jawaharlal Nehru Technological University Hyderabad

Jawaharlal Nehru Technological University Hyderabad B.Tech III ENERGY MANAGEMENT AND CONSERVATION Previous Question Paper (February - 2023 - R16)

B.Tech | III | II | R16 | February - 2023

Answer PaperPaper Code: 136EXMaximum Marks: 75Time: 3 Hours

Note: i) Question paper consists of Part A, Part B. ii) Part A is compulsory, which carries 25 marks. In Part A, Answer all questions. iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.

PART A

125 marks
a

How much cost is needed to erect a 1MW Thermal power plant?

2 marks

Answer

The capital cost to erect a 1MW thermal power plant is approximately 5 to 7 crore rupees, depending on the technology, location, and environmental compliance requirements.

b

Classify the various energy resources.

3 marks

Answer

Energy resources are broadly classified into two categories:

  • Renewable Energy Resources: Energy sources that are naturally replenished on a human timescale, such as solar, wind, hydro, biomass, and geothermal energy.
  • Non-Renewable Energy Resources: Energy sources that exist in finite amounts and cannot be replaced once consumed, such as coal, petroleum, natural gas, and nuclear fuels.
c

State the difference between energy conservation and energy audit.

2 marks

Answer

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d

Explain the barriers in Energy Audit and how it can be overcome.

3 marks

Answer

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e

What are the elements of energy targeting?

2 marks

Answer

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f

Explain the role of ESCOs.

3 marks

Answer

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g

What are the various types of HVAC systems?

2 marks

Answer

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h

Illustrate the concept of building envelope with an example.

3 marks

Answer

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i

Summarize electricity act.

2 marks

Answer

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j

List the energy saving techniques of a power transmission system.

3 marks

Answer

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PART B

210 marks
a

Explain the different types of representations in Energy consumption.

5 marks

Answer

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b

Give a detailed report on the thermal power plant statistics.

5 marks

Answer

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OR
310 marks
a

Give the statistics of Indian energy scenario?

5 marks

Answer

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b

Describe the role of renewable energy sector in India with the statistics.

5 marks

Answer

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410 marks
a

Differentiate “walk through audit” and “detailed audit” with an example.

5 marks

Answer

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b

List and enumerate the Goals of Energy Audit and where they can be applied.

5 marks

Answer

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OR
510 marks
a

Explain the energy audit procedure with flow chart.

5 marks

Answer

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b

Define and explain the procedure to calculate the payback period. Also, state its significance.

5 marks

Answer

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610 marks
a

Describe with a neat sketch, the energy monitoring procedure for any organization.

5 marks

Answer

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b

Explain in detail about the Time value of money concept in payback analysis.

5 marks

Answer

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OR
710 marks
a

Explain the net Present value method of computation of Economic aspects.

5 marks

Answer

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b

Explain Sensitivity Analysis and List the micro and macro factors.

5 marks

Answer

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810 marks
a

Explain energy conservation in commercial buildings.

5 marks

Answer

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b

How to save energy in Refrigeration and Air Conditioning plant?

5 marks

Answer

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OR
910 marks
a

Explain the necessity of insulation in a HVAC system and discuss its advantages.

5 marks

Answer

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b

Formulate Building standards for new constructions.

5 marks

Answer

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1010 marks
a

What are the principles of electric energy management? Explain.

5 marks

Answer

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b

What do you understand by energy security? Discuss.

5 marks

Answer

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OR
11

With a neat sketch, explain the energy management techniques in a solid waste management.

10 marks

Answer

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About this paper

This page contains the question paper of ENERGY MANAGEMENT AND CONSERVATION from Jawaharlal Nehru Technological University Hyderabad for B.Tech EEE III II, February - 2023, R16.

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