MCQOPTIONS
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| 1. |
The rotor of a three phase, 5 kW, 400 V, 50Hz, slip ring induction motor is wound for 6 poles while its startor is wound for 4 poles. The approximate average no load steady state speed when this motor is connected to 400 V, 50 Hz supply is _______ rpm . |
| A. | 100 rpm |
| B. | 1000 rpm |
| C. | 2000 rpm |
| D. | 500 rpm |
| Answer» C. 2000 rpm | |