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GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma Engineering - SEMESTER–III • EXAMINATION – WINTER 2013
Subject Code: 3331905 Date: 06-12-2013
Subject Name: Applied Electrical & Electronics Engineering
Time: 02:30 pm - 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.
4. English version is considered to be Authentic.
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Q.1 (a) Define following terms (any seven)
1.RMS value 2.Reluctance 3.Permeability 4.Magnetic Flux 5.EMF 6.MMF
7.Average Value 8.Frequency. 07
(b) Explain construction of DC generator and classify it. 07
Q.2 (a) Draw and explain Hystresis loop and its importance. 07
(b) Name the types of wires and explain any four with diagram. 07
OR
(b) Draw the block diagram of CRO and explain its working. 07
Q.3 (a) Explain star and delta connection of three phase supply. 07
(b) Explain moving iron repulsion type ammeter with diagram. 07
OR
Q.3 (a) Explain Squirrel cage induction motor with its working. 07
(b) Draw and explain four diode full wave bridge rectifier. 07
Q.4 (a) (1) Why single phase motor is not self starting? 03
(2) How single phase induction motor can be started by split phasing? 04
(b) Explain Ohm’s law,and how alternating EMF is generated. 07
OR
Q. 4 (a) Draw and explain ELCB in detail. 07
(b) State the principle of transformer and Explain Autotransformer in detail. 07
Q.5 (a) Explain both N-type and P-type semiconductor in detail. 07
(b) Explain stages of PCB manufacturing Process. 07
OR
Q.5 (a) Draw and explain block diagram of PLC and state its Advantages,Disadvantages
and Applications. 07
(b) Classify capacitors and Expalain Mica capacitor in detail. 07
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