Summer 2014 Applied Electrical and Electronics Engineering Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma Engineering - SEMESTER–III • EXAMINATION – SUMMER • 2014
Subject Code: 3331905 Date: 24-06-2014
Subject Name: Applied Electrical and Electronics Engineering
Time: 10:30 am - 01:00 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) Explain the construction and working of Miniature circuit breaker. 06

(b) Explain: Power factor, Phase difference, Permeance, Potential difference. 08

Q.2 (a) Compare Series and Parallel circuit. 07

(b) What is PLC? Draw and explain its block diagram. 07

OR

(b) Differentiate between core and shell type of transformer. 07

Q.3 (a) Explain the construction and working principle of single phase transformer. 07

(b) Draw and explain the block diagram of CRO. 07

OR

Q.3 (a) What are the types of single phase induction motor?Explain the working of
capacitor start –induction run type induction motor. 07

(b) Explain the construction of underground cable. 07

Q.4 (a) Derive the relationship between phase value and line value of voltage and
current for three phase Star connection. 07

(b) Explain the working of NPN transistor. 07

OR

Q. 4 (a) Explain the working of variable reluctance type stepper motor. 07

(b) Why fuses are used? Discuss their types. 07

Q.5 (a) What are the different types of fixed inductors 07

(b) Give the connection diagrams of different types of self-excited DC generator. 07

OR

Q.5 (a) State the advantages of PCB. 07

(b) Explain the functioning of clip on meter. 07

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