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Pune University - FY BSc ELECTRONIC EQUIP MAINTENANCE -II, April 2010 (Old Course)

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Total No. of Questions : 5] P255 [Total No. of Pages :2 [3717] - 90 F.Y. B.Sc. (Vocational) ELECTRONIC EQUIPMENT AND MAINTENANCE Maintenance Concepts and Repairs (Paper - II) (Old Course) Time : 3 Hours] Instructions to the candidates: 1) 2) 3) [Max. Marks : 80 All questions are compulsory. Figures to the right indicate full marks. Draw neat diagrams wherever necessory. Q1) Attempt the following : a) Explain efficiency of transformer. b) What is Q of a coil? c) What is reactance of capacitor? d) Inductor is wattless component . Comment. e) Explain the term absolute maximum rating. f) Explain the difference between AF and RF transformer. g) Explain common faults that occur in capacitors. h) [16] Explain the term DIN RAIL Mounting . Q2) Answer any four of the following : [16] a) Name different tools required for desoldering & explain them. b) Explain the role of flux in a good solder joint. c) Explain the importance of data sheets. d) Explain the function of choke in tube light. e) Explain JEDEC scheme of numbering of semiconductor components. P.T.O.

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Additional Info : F.Y. B.Sc. ELECTRONIC EQUIPMENT MAINTENANCE : Maintenance Concepts and Repairs (Paper - II) (Old Course) (Vocational Course), Pune University
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