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1. |
For the following specifications of a synchronous motor, determine the ratio of no load speed to full load speed.200 kVA, 12 pole, 2200 V, 3 phase, 60 Hz |
A. | 2 : 3 |
B. | 1 : 1 |
C. | 3 : 5 |
D. | 2 : 7 |
Answer» C. 3 : 5 | |