6A single-phase induction motor is not self-starting because:AIt has no rotorBIts single winding produces a pulsating, not rotating, fieldCIt has a commutatorDIts slip is zeroView AnswerDiscussWorkspaceReportSaveEasy
7The direction of rotation of a three-phase induction motor is reversed by:AAdding a capacitorBInterchanging any two supply phasesCReversing all three phasesDChanging the frequencyView AnswerDiscussWorkspaceReportSaveEasy
8Star–delta starters are used to:AIncrease speedBReduce starting currentCImprove power factorDReverse directionView AnswerDiscussWorkspaceReportSaveEasy
9Single-phase capacitor-start motors use the capacitor to:AStore energy for brakingBReduce noiseCCreate a phase shift for starting torqueDIncrease speedView AnswerDiscussWorkspaceReportSaveEasy
10The no-load test on an induction motor gives:AInsulation resistanceBCopper losses at full loadCCore and mechanical lossesDRotor resistance onlyView AnswerDiscussWorkspaceReportSaveEasy