
	Trending ▼ ICSE CBSE 10th ISC CBSE 12th CTET GATE UGC NET Vestibulares ResFinder

2003 Course High Voltage Eng.

3 pages, 31 questions, 0 questions with responses, 0 total responses,

	pune_eng	+Fave Message
	Profile Timeline Uploads Q & A

Home > pune_eng >

Formatting page ...

Total No. of Questions : 12] [Total No. of Pages : 3 [3864] - 234 P 1066 B.E. (Electrical) HIGH VOLTAGE ENGINEERING (2003 Course) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answer any three questions from each section. 2) Answers to the two sections should be written in separate books. 3) Neat diagrams must be drawn wherever necessary. 4) Figures to the right indicate full marks. SECTION - I Q1) a) b) What is ionization? Explain different reasons of ionization in gaseous dielectric material. [8] Define Townsend s first and second ionization coefficients. What is Townsend s breakdown criterion? [8] OR Q2) a) b) Q3) a) b) Describe positive corona and negative corona in non-uniform electric field. [8] What is Paschen s law? What the significance of minimum breakdown voltage value under different P-d conditions? [8] Explain following theories of breakdown in liquid dielectric material i) Suspended particle theory. ii) Cavitation and bubble theory. iii) Stressed oil volume theory. [10] What is composite dielectric? Explain any one method of breakdown in composite dielectrics. [6] OR Q4) Explain following breakdown mechanisms in solid dielectrics. a) Intrinsic breakdown. b) Electromechanical breakdown. c) Thermal breakdown. [16] P.T.O.

Formatting page ...

Tags : Pune, Engineering, University of Pune, Engineering question papers, Pune University, previous year question papers, question papers, india, model question paper, pune university paper pattern, pune university syllabus, old question papers

pune_eng chat

Horizontal lines at:
Guest Horizontal lines at:
AutoRM Data:
Box geometries: