1. | The principle of operation of a 3-phase induction motor is most similar to that of ? | |
2. | In a squirrel cage motor the induced e.m.f. is ? | |
3. | Insertion of resistance in the rotor of an induction motor to develop a given torque ? | |
4. | The power factor of an induction motor under no-load conditions will be closer to ? | |
5. | When the equivalent circuit diagram of double squirrel-cage induction motor is constructed the two cages can be considered ? | |
6. | The number of slip rings on a squirrel cage induction motor is usually ? | |
7. | In an induction motor, no-load the slip is generally ? | |
8. | A 3-phase induction motor delta connected is carrying foo heavy load and one of its fuses blows out. Then the motor ? | |
9. | Which type of bearing is provided in small induction motors to support the rotor shaft ? | |
10. | When a stationary 3-phase induction motor is switched on with one phase disconnected ? | |