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Posted By: pradha s Member Level: Gold Posted Date: 02 Jul 2008
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2007 Alagappa University P.G.D.E.A.M Question paper
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DISTANCE EDUCATION
P.G.D.E.A. & M. EXAMINATION, DECEMBER 2007.
PRINCIPLES OF ENERGY AUDITING AND INSTRUMENTATION
(2005 and 2006 Batch)
Time : Three hours Maximum : 100 marks
SECTION A — (5 ? 8 = 40 marks)
Answer any FIVE questions.
1. Explain the need for energy auditing and give its different types.
2. List the applications of energy auditing.
3. Describe how energy auditing is carried out in thermal process.
4. Discuss the necessity of energy auditing in a furnace.
5. Write a note on energy auditing in transmission.
6. Explain in brief the purpose of energy auditing in illuminated areas.
7. What are the measuring instruments used for electrical energy utilization?
8. What are the general parameters of the basic measuring instruments for electrical thermal and solar energy utilization?
SECTION B — (4 ? 15 = 60 marks)
Answer any FOUR questions.
9. Explain in detail the steps involved in the case of detailed energy audit.
10. Describe in detail how the energy auditing is performed in a furnace.
11. Discuss how energy is audited in electrical and mechanical devices.
12. Discus the importance and performance of energy auditing in transmission.
13. Describe the performance of energy auditing in electrical lamps and explain how the efficiency is calculated.
14. Write a note on measuring instruments used for electrical and solar energy utilization.
15. Write a note on the following :
(a) energy auditing in electrical motors.
(b) efficiency measurement during energy auditing.
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