24-12-2012, 02:11 PM
Internal Question Paper – II Electrical Engineering
Internal Question Paper.docx (Size: 12.89 KB / Downloads: 35)
Part A
Answer all questions.
1) Define Slip and Slip Speed.
2) Why single phase induction motor is not self start?
3) Write the procedure to start single phase synchronous motor.
4) Define short pitch and full pitch coil.
5) Why Ns not equal to Nr.
6) Define distributed and concentrated winding.
7) Define rotating magnetic field?
Part B
Answer all questions.
8) Explain speed control methods for three phase induction motor?
(or)
9) Explain Torque-Slip characteristics of an three phase induction motor
10) Explain the construction and working principle of an alternator.
(or)
11) Why single phase synchronous motor is not self start and Write any one method to start the motor.