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JNTU B.Tech III ENERGY MANAGEMENT AND CONSERVATION Previous Question Paper (May 2019 - R16)

B.Tech | III | II | R16 | May 2019

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

Part A is compulsory. Part B consists of 5 Units. Answer any one full question from each unit.

Part A

125 marks
a

Explain the role of renewable energy sector in India.

2 marks

Answer

The renewable energy sector in India is critical for achieving energy security, reducing dependence on fossil fuel imports, and meeting international climate commitments. It drives sustainable economic growth by promoting decentralized power generation and creating green jobs.

b

Explain Global Warming.

3 marks

Answer

Global warming is the long-term increase in Earth's average surface temperature caused primarily by the greenhouse effect. This occurs when gases like carbon dioxide, methane, and nitrous oxide trap solar radiation in the atmosphere, leading to climate change, rising sea levels, and ecological disruption.

c

What are the needs of energy planning and audit?

2 marks

Answer

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d

What are the various types of energy audit?

3 marks

Answer

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e

Give two features of formal written energy Policy.

2 marks

Answer

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f

Name any four requirements for energy action planning.

3 marks

Answer

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g

What are the energy conservation opportunities in HVAC?

2 marks

Answer

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h

What are the types of HVAC systems?

3 marks

Answer

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i

Write the importance of Energy management in boiler systems.

2 marks

Answer

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j

Explain electricity act.

3 marks

Answer

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Part B

210 marks
a

Explain various forms of energy and Law of conservation of energy.

5 marks

Answer

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b

Compare global and Indian energy scenario.

5 marks

Answer

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OR
310 marks
a

Discuss the steps to be taken for reforms in energy sector.

5 marks

Answer

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b

Give the statistics of Indian energy scenario.

5 marks

Answer

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4

Explain the elements of energy management in detail.

10 marks

Answer

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OR
5

Explain the significance of energy balance diagrams. What are its applications?

10 marks

Answer

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610 marks
a

Explain the role of energy auditor and the things to be considered while auditing.

5 marks

Answer

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b

Explain the need for an Energy policy.

5 marks

Answer

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OR
710 marks
a

Briefly explain about “Force field Analysis” as a tool for achieving goals of energy action planning. Give two examples each of positive and negative forces acting towards achieving the goal in an industry.

5 marks

Answer

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b

Briefly explain your views on “the roles of top management” taking the industry/sector you are working in four lines.

5 marks

Answer

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810 marks
a

How can you decide standards for new buildings?

5 marks

Answer

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b

Describe the methods for estimating HVAC energy consumption in Domestic hot water.

5 marks

Answer

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OR
910 marks
a

How can you decide standards for existing buildings?

5 marks

Answer

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b

What are the Principles of analysis of building envelope?

5 marks

Answer

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1010 marks
a

What are the direct and indirect benefits of waste heat recovery plant?

5 marks

Answer

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b

Explain the working principle of convective recuperator with a neat sketch.

5 marks

Answer

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OR
1110 marks
a

How the waste heat recovery systems are classified?

5 marks

Answer

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b

What is cogeneration? What are the advantages of it?

5 marks

Answer

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