Electrical Engineering : Single Phase Induction Motors QUESTIONS AND ANSWERS :: part2 : 16 to 20
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
16.The speed of a universal motor is generally reduced by using |
| gear trains |
| V-belts |
| brakes |
| chains |
17.The repulsion-start induction-run motor is used because of |
| good power factor |
| high efficiency |
| minimum cost |
| high starting torque |
18.Which of the following motors is preferred for tape-recorders ? |
| Shaded pole motor |
| Hysteresis motor |
| Two value capacitor motor |
| Universal motor |
19.The wattage rating for a ceiling fan motor will be in the range |
| 200 to 250 W |
| 250 to 500 W |
| 50 to 150 W |
| 10 to 20 W |
20.Which of the following single-phase induction motors is generally used in time phonographs ? |
| Resistance start |
| Capacitor start capacitor run |
| Shaded pole |
| Universal |
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