GTU BE 2019 Summer Question Papers || Gujarat Technological University
Subject Code: 2180910
GUJARAT TECHNOLOGICAL UNIVERSITY
--- Content provided by FirstRanker.com ---
BE - SEMESTER-VII(NEW) EXAMINATION - SUMMER 2019
Subject Name: Energy Conservation, And Audit
Time: 10:30 AM TO 01:00 PM
Date: 09/05/2019
Total Marks: 70
--- Content provided by FirstRanker.com ---
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
| Q.No. | Question | Marks |
|---|---|---|
| Q.1 (a) | Discuss pre-audit phase activities. | 03 |
| Q.1 (b) | Discuss advantages and disadvantages of simple payback analysis. | 04 |
| Q.1 (c) | What is LED lamp? Mention advantages and disadvantages of LED. | 07 |
| Q.2 (a) | How to reduce transformer loss? | 03 |
| Q.2 (b) | List the advantages and disadvantages of synchronous motor VSD system. | 04 |
| Q.2 (c) | Explain the working principle of soft starters with its advantages and application. | 07 |
| Q.3 (a) | Discuss demand side management. --- Content provided by FirstRanker.com --- OR | 07 |
| Q.3 (b) | What are the advantages of good power factor? | 03 |
| Q.3 (c) | List the barrier and limitations of energy optimization projects. | 04 |
| Q.4 (a) | Explain the guidelines for writing energy audit report. OR | 07 |
| Q.4 (b) | Explain the effect of harmonics and improvement method. | 03 |
| Q.4 (c) | Explain the application of following instruments used for energy audit and monitoring: Water flow meter, Leak detector, Temperature sensor, Speed meter. | 04 |
| Q.5 (a) | Explain the conditions and advantages of parallel operation of transformers and generators. | 07 |
| Q.5 (b) | Write a short note on reheaters. | 03 |
| Q.5 (c) | Explain deaeration and evaporation feed water treatment. | 04 |
| Q.6 (a) | What is an application of economizer? List out its advantages and design aspects to improve the boiler efficiency. OR | 07 |
| Q.6 (b) | List factors affecting furnace performance. | 03 |
| Q.6 (c) | Describe the factors affecting the fuel economy in furnaces. | 04 |
| Q.7 (a) | Explain the working of Circulating Fluidized Bed Combustion Boilers (CFBCB). | 07 |
| Q.7 (b) | Explain the performance characteristics of pumps. | 03 |
| Q.7 (c) | Explain the performance of pumps in parallel and series operation. | 04 |
| Q.8 (a) | Describe the methods to improve performance of compressed air system. OR | 07 |
| Q.8 (b) | Enlist the applications of compressed air in industry. | 03 |
| Q.8 (c) | Enumerate the energy saving opportunities in cooling towers. | 04 |
| Q.9 (a) | What is thermal insulation? Write down its advantages and properties of thermal insulating material. | 07 |
--- Content provided by FirstRanker.com ---
This download link is referred from the post: GTU BE 2019 Summer Question Papers || Gujarat Technological University