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| Q. |
A pole changing type squirrel cage motor used in derricks has four, eight and twenty four poles. In this the lowest speed is used for |
| A. | lifting |
| B. | hoisting |
| C. | lowering |
| D. | landing the load. |
| Answer» D. landing the load. | |
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Control of Electric DrivesDiscussion
Indian Army
1 year ago
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