University of Mumbai 2007-8th Sem B.E Electrical and Electronics Engineering Design & Estimation of Electrical System - exam paper
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Con. 5050-07. (REVISED COURSE) CD-6504
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(3 Hours) [Total Marksj)
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N.B.: (1) Question No. 1 is compulsory.
(2) Attempt any four questions out of remaining six questions
1. (a) Explain the tendering process in detail. 10 (b) Write a short notes on 10
(i) Energy efficient motor (il) Cable Installation.
2. (a) Explain different drawings in Electrical System. 10 (b) Discuss the discrimination and coordination in protection. 10
3. (a) Write a detail note on type of batteries, sizing and selection criterian. 10
(b) Discuss the terms QAP* WBS and logistic with respect to project planning. 6
(c) Define the terms 4
(i) Load factor
(ii) Diversity factor.
4. (a) What are the different types of distribution system and their selection criteria ? 10 (b) Explain the need of Energy Audit and its different types. 10
5. (<0 Discuss the different types of electrical systems in a Commercial Mall". 12 (b) An illumination of 80 lux is required on the working plane in a big hall of 40 m x 8
15 m. The lamps to be hung 4 m above the work bench. Assuming a suitable space height ratio, a utilisation factor of 0-5, a lamp efficiency of 14 lumens per watt and a candle power depreciation of 20%. Estimate the number, rating and disposition of lamps.
6. (a) Discuss the criteria for selection of Project Management Software . 5
(b) Write a short note on Financial Feasibility of the project. 5
(c) What are the various steps involved in cost estimation of Electrical Project ? 10
7. Write short notes on (any three)20
(a) SCADA
(b) Security System
(c) VPS
(d) Efevetors.
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| Earning: Approval pending. |
