Download GTU BE/B.Tech 2019 Winter 8th Sem New 2180910 Energy Conservation And Audit Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- VIII (New) EXAMINATION — WINTER 2019

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Instructions:

1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

MARKS

Q.1

1. Explain the Pump operating point with a diagram? 03

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2. What are the immediate term energy strategies recommended? 04
3. Explain the following stating the advantages and limitations if any 07
   1. Simple Pay Back Period
   2. Return on Investment
   3. Internal rate of return

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Q.2

1. How benchmarking of energy consumption internally and externally may be useful 03
2. Explain briefly about Emission Trading? 04
3. Define project and mention various steps involved in Project Management 07

   OR

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3. What is the procedure of conducting free air delivery test of compressor by nozzle method? 07

Q.3

1. Why steam is used as a popular mode of conveying energy? 03
2. Explain Net Present Value and how NPV is calculated. 04
3. Explain in detail the methodology for conducting a detailed energy audit. 07

   OR

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3. What are the steps you might consider in setting up an energy management program? 03
4. What do you understand by energy management and energy efficiency? 04
5. Explain the terms with respect to cooling tower performance: 07
   1. Wet bulb temperature
   2. Capacity and Range

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Q.4

1. What are the three reasons for poor fan performance in the field? 03
2. List down some of the important parameters that influence the motor selection? 04
3. List out the tools commonly needed for energy audits and explain any three. 07

   OR

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3. What is the effect of furnace draft 03
4. Briefly explain the technologies for energy conservation. 04
5. Explain the principles of energy management in detail. 07

Q.5

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1. What are the advantages of fluorescent lamps over incandescent lamps? 03
2. Explain the different types of depreciation. 04
3. Write few salient points about optimum capacity utilization of furnaces. 07

   OR

3. What is the significance of optimizing furnace temperature? 03

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4. List any five problems that can arise due to harmonics in a system. 04
5. Write short notes on ‘intermittent blow down’ and ‘Continuous blow down’ with respect to boilers. 07

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