6Short-circuit ratio (SCR) of an alternator is related to its:AFrequencyBNumber of polesCSpeedDSynchronous reactance (SCR ≈ 1 / Xs in per unit)View AnswerDiscussWorkspaceReportSaveEasy
7Turbo-alternators in thermal plants usually have:APermanent magnets onlyBNo rotorCCylindrical (non-salient) rotors with 2 or 4 polesDSalient poles with many polesView AnswerDiscussWorkspaceReportSaveEasy
8A synchronous condenser is:AA transformerBAn over-excited synchronous motor running without load to improve power factorCA capacitor bankDA DC generatorView AnswerDiscussWorkspaceReportSaveEasy
9The V-curves of a synchronous motor show armature current against:AFrequencyBField currentCSpeedDVoltage onlyView AnswerDiscussWorkspaceReportSaveEasy
10The armature winding of a large alternator is usually on the:ARotorBBrushesCStatorDShaftView AnswerDiscussWorkspaceReportSaveEasy