Electrical Engineering : Single Phase Induction Motors QUESTIONS AND ANSWERS :: part4 : 21 to 25
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
21.Two-value capacitor motor finds increased application as compressor motor in small home air-conditioners because |
| it is comparatively cheaper |
| it has almost non-destructible capacitor |
| it has low starting as well as running currents at relatively high power factor |
| it is quiet in operation |
22.If a single phase induction motor runs slower than normal, the most likely defect is |
| worn bearings |
| short-circuit in the winding |
| open-circuit in the winding |
| none of the above |
23.Starting winding of a single phase motor of a refrigerator is disconnected from the circuit by means of a |
| magnetic relay |
| thermal relay |
| centrifugal switch |
| none of the above |
24.The capacitors used in single-phase capacitor motors have no |
| voltage rating |
| dielectric medium |
| polarity marking |
| definite value |
More Single Phase Induction Motors QUESTIONS AND ANSWERS available in next pages
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