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

12. The capacitors used in single-phase capacitor motors have no

   A.Voltage rating

   B.Dielectric medium

   C.Polarity marking

   D.Define value

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

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

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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