Single Phase Induction Motor Multiple Choice Questions and Answers
16. In a ceiling fan employing capacitor run motor
A.Secondary winding surrounds the primary winding
B.Primary winding surrounds the secondary winding
C.Both are usual arrangements
D.None of the above
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A.Secondary winding surrounds the primary winding
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17. A capacitor selected for capacitor-run motor should be rated for
A.r.m.s. voltage
B.Average voltage
C.Peak voltage
D.None of the above
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18. In a capacitor start and run motors the function of the running capacitor in series with the auxiliary winding is to
A.Improve power factor
B.Increase overload capacity
C.Reduce fluctuations in torque
D.To improve torque
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19. The value of starting capacitor of a fractional horse power motor will be
A.100 μF
B.200 μF
C.300 μF
D.400 μF
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20. In a two value capacitor motor, the capacitor used for running purpose is
A.Air capacitor
B.Paper spaced oil-filled type
C.Ceramic type
D.A.C. electrolytic type
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