Download GTU BE/B.Tech 2018 Winter 8th Sem Old 180801 Testing And Installation Of Electrical Equipments And Systems Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 8th Sem Old 180801 Testing And Installation Of Electrical Equipments And Systems Previous Question Paper

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Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?VIII (OLD) EXAMINATION ? WINTER 2018
Subject Code: 180801 Date: 19/11/2018

Subject Name: Testing And Installation Of Electrical Equipments And
Systems

Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

Q.1 (a) Draw and explain waveform for the following conditions:
(I) outage and Surge (II) Harmonic and Voltage Sag.

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(b) Explain the seven principles of safety management in electrical plants.

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Q.2 (a) Explain the procedure and significance of temperature rise test with necessary figure and
its co-relation with rated normal current.

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(b) Describe the second characteristic numeral in the standard designation of cooling system.

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OR
(b) What is the IEEE recommended practice for Monitoring Electric Power Quality?

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Q.3 (a) Explain the work and Procedures of Hot ?line Maintenance.

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(b) Describe oscillographic tests on electrical equipment. Give example of a typical test
record.

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OR
Q.3 (a) State the causes of disturbances in power quality and list the power quality improvement
facilities for each variable of electrical power supply?

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(b) State various types of enclosures used for rotating electrical machines.


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Q.4 (a) What is drying-out of an electric rotating machine? Why and when is it necessary?


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(b) Give summary of auxiliary systems in substations and state their functions.

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OR
Q.4 (a) State the conditions for which HVDC Links are preferred?

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(b) Explain the procedure of design of transmission towers and structures.

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Q.5 (a) Illustrate the schematic of bipolar 2-terminal HVDC link and define functioning of all
parts of it.

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(b) Explain the main functions of SCADA.


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OR

Q.5 (a) Explain the principle of fiber -optic data transmission.

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(b) What is the meaning of compensation of reactive power? Why is it necessary?


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