| Q.83 | Consider the following statements about auxiliary motor starting method of synchronous motor and select the suitable combination of correct choices. a.A three-phase induction motor is used as an auxiliary motor. b.An induction motor with two poles, fewer than the synchronous motor poles is used as an auxiliary motor. c.The auxiliary motor brings the synchronous motor speed almost equal to its synchronous speed. d.The auxiliary motor starting is used for loaded synchronous motors. | |
| Ans | 1. Only a is true | |
| 2. Only a, b and d are true | ||
| 3. Only a, b and c are true | ||
| 4. All a, b, c, d are true |
Correct Ans: 3
