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ANNA UNIVERSITY EC 2201 ELECTRICAL ENGINEERING MODEL QUESTION PAPER FOR NOV/DEC 2012 THIS QUESTION PAPER IS FOR REFERENCE PURPOSE ONLY. THE FOLLOWING QUESTION PAPER CAN BE APPLICABLE FOR ANNA UNIVERSITY CHENNAI, TRICHY, COIMBATORE, TIRUNELVELI, MADURAI STUDENTS 2008 REGULATION APPLICABLE ANNA UNIVERSITY EC 2201 ELECTRICAL ENGINEERING QUESTION BANK FOR STUDENTS IN THE YEAR 2012 ALSO B.E/B.TECH DEGREE EXAMINATION, NOV/DEC 2012 THIRD SEMESTER EC 2201 ELECTRICAL ENGINEERING REGULATION 2008 TIME: THREE HOURS MAXIMUM: 100 MARKS ANSWER ALL QUESTIONS PART A(10x2=20 MARKS) 1. What do you mean by commutation? 2. what do you mean by magnetization curve? 3. Draw the vector diagram of transformer an no load. 4. Define voltage regulation of transformer. 5. write the working principle of 3f induction motor. 6. What is Rmf? How Rmf is produced in the stator of the induction motor 7. Write down the e.m.f. equation of alternator. 8. What is the operating principle of hysteresis motor? 9. What is the purpose of circuit breakers. 10.What are the advantages of AC and DC transmission? PART B (5x16=80) 11 (a) Explain in detail about the ward-leonard system of speed control of DC motor. Or (b)Explains the procedure of swin burne's test. 12 (a) Derive the e.m.f. equation of transformer. or (b)Draw and explain in detail about the transformer an load. 13 (a) Derive the torque equation of 3 phase induction motor. or (b)How Rmf is produced with the help of 3 f AC supply? 14 (a) Write short notes on (i) Brushless alternator (ii) Reluctance motor (iii) Hysteresis motor (iv) Stepper motor. or (b) Derive the emf equation of alternator. 15 (a) Write short notes as (i) Insulators (ii) cables. Or (b) Explain in detail the various types of transmission and distribution systems. BEST OF LUCK -AIMFORHIGH and www.annaunivdotedu.blogspot.com
"EC 2201 ELECTRICAL ENGINEERING MODEL QUESTION PAPER"