11A DC series motor should never be started:ASlowlyBWith a starterCWith loadDWithout loadView AnswerDiscussWorkspaceReportSaveEasy
12A DC generator without residual magnetism will:AFail to build up voltageBOverheatCProduce maximum voltageDRun as a motorView AnswerDiscussWorkspaceReportSaveEasy
13Losses in a DC machine include copper, iron and:ARadiation lossesBMechanical (friction and windage) lossesCCorona lossesDDielectric losses onlyView AnswerDiscussWorkspaceReportSaveEasy
14Which DC motor has the highest starting torque?AShunt motorBSeparately excited motorCSeries motorDPermanent magnet motorView AnswerDiscussWorkspaceReportSaveEasy
15Brushes in DC machines are usually made of:ACarbonBIronCAluminiumDCopperView AnswerDiscussWorkspaceReportSaveEasy