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DIPLOMA ENGINEERING – SEMESTER –III EXAMINATION – WINTER 2015
Subject Code: 3331905 Date: 11/12 /2015
Subject Name: Applied Electrical and Electronic Engineering
Time: 10:30 AM TO 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. Use of programmable & Communication aids are strictly prohibited.
5. Use of only simple calculator is permitted in Mathematics.
6. English version is authentic.
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Q.1 Answer any seven out of ten. 14
1. Draw the energy conversion diagram of thermal power station.
2. State difference between Direct Current and Alternating Current.
3. Define the Cork screw rule.
4. Define the Hysteresis loop.
5. State difference between EMF and Potential difference.
6. State only name of wire.
7. State the function of pole.
8. State the application of DC generator.
9. State the advantages of autotransformer.
10. State the function of rectifier.
Q.2 (a) How alternative EMF generated? Explain. 03
OR
(a) Explain the Ohm’s law. 03
(b) Compare series and parallel circuit. 03
OR
(b) Explain the underground cables with figure. 03
(c) State the types of fuse. 04
OR
(c) Explain the moving iron repulsion type ammeter. 04
(d) Explain the application of DC Motor. 04
OR
(d) Explain the slip ring type induction motor.04
Q.3 (a) Explain the capacitor start induction run type motor. 03
OR
(a) State advantages and dis advantages of AC Servomotor. 03
(b) State difference between openloop control system and closeloop control system. 03
OR
(b) Explain the need of trouble shooting chart and its advantages. 03
(c) Explain the working principal of transformer. 04
OR
(c) State difference between core type and sheel type transformer. 04
(d) Explain the application of transformer. 04
OR
(d) Explain the half wave rectifier with figure. 04
Q.4 (a) Draw and explain block diagram of regulated power supply. 03
OR
(a) Explain the revirable fuse. 03
(b) State cause of the electrical accident. 04
OR
(b) Explain the pipe earthling. 04
(c) Explain the classification of resistors. 07
Q.5 (a) Write short note on energy bends. 04
(b) Explain the P-type semiconductor. 04
(c) State the application of transistor. 03
(d) Write short note on diac.03
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