Single Phase Induction Motor Multiple Choice Questions and Answers
11. A permanent-split single-phase capacitor motor does not have
A.Centrifugal switch
B.Starting winding
C.Squirrel-cage rotor
D.High power factor
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12. The capacitors used in single-phase capacitor motors have no
A.Voltage rating
B.Dielectric medium
C.Polarity marking
D.Define value
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13. In a two-value capacitor motor, the capacitor used for running purpose is a/an
A.Dry-type ac electrolytic capacitor
B.Paper-spaced oil-filled type
C.Air-capacitor
D.Ceramic type
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14. The starting torque of a capacitor-start induction-run motor is directly related to the angle (Alpha) between its two winding currents by the relation
A.Cos α
B.Sin α
C.Tan α
D.Sin α/2
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15. The capacitor in a capacitor-start induction-run ac motor is connected in series with ...... winding
A.Starting
B.Running
C.Squirrel-cage
D.Compensating
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