GTU BE/B.Tech 2019 Winter Question Papers || Gujarat Technological University
BE - SEMESTER- VIII (New) EXAMINATION — WINTER 2019
Subject Code: 2181916
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Subject Name: Energy Conservation And Management
Date: 21/11/2019
Time: 02:30 PM TO 05:00 PM
Total Marks: 70
Instructions:
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- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
| Q.1 | MARKS |
| (a) Classify energy sources. | 03 |
| (b) Explain in brief Energy security. | 04 |
| (c) Write short note on Indian Energy scenario | 07 |
| Q.2 | |
| (a) Define energy management. Explain its benefits. | 03 |
| (b) How BEE help in implementing Energy Conservation Act? | 04 |
| (c) Explain detailed energy audit. | 07 |
| OR | |
| Using the net present value method, evaluate the financial merits of two proposed projects shown in table. The annual rate is 9 % for each project. | |
| Q.3 | |
| (a) Explain significance of energy audit. | 03 |
| (b) Explain the terms: Return On Investment, Time value of money | 04 |
| (c) Discuss in brief Energy conservation Act 2001 and its features. | 07 |
| OR | |
| (a) Explain Sensitivity Analysis. | 03 |
| (b) List different energy audit instruments with use. | 04 |
| (c) List financial analysis techniques. Explain any one with its merits and demerits. | 07 |
| Q.4 | |
| Compare Net Present Value and Internal Rate of Return. | 03 |
| (c) Explain essential elements of Monitoring and Targeting. | 07 |
| OR | |
| Q.4 (a) Explain boiler blowdown with advantages. | 03 |
| (b) Explain how CUSUM chart is drawn with an example. | 04 |
| (c) What are the disadvantages of ‘direct method’ of boiler efficiency evaluation over ‘indirect method’? Write step wise procedure to calculate Boiler efficiency. | 07 |
| Q.5 | |
| (a) Give tips for energy saving in Compressor. | 03 |
| (b) Which are various sources of waste heat recovery? State its advantages. | 04 |
| (c) What do you mean by co-generation? Classify co-generation system & explain bottoming cycle with sketch. | 07 |
| OR | |
| Q.5 (a) Give tips for energy saving in pump. | 03 |
| (b) Discuss the role of Energy Service Companies (ESCOs). | 04 |
| (c) Explain Clean Development Mechanism (CDM). | 07 |
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