11The no-load test on an induction motor gives:ACore and mechanical lossesBRotor resistance onlyCCopper losses at full loadDInsulation resistanceView AnswerDiscussWorkspaceReportSaveEasy
12An induction motor is also called an:ADC motorBAsynchronous motorCStepper motorDSynchronous motorView AnswerDiscussWorkspaceReportSaveEasy
13Cogging (failure to start) in squirrel-cage motors is reduced by:ARemoving the rotorBIncreasing voltage onlyCSkewing the rotor slotsDUsing DCView AnswerDiscussWorkspaceReportSaveEasy
14The synchronous speed of a 4-pole motor on a 50 Hz supply is:A1500 rpmB750 rpmC3000 rpmD1000 rpmView AnswerDiscussWorkspaceReportSaveMedium
15Single-phase capacitor-start motors use the capacitor to:AStore energy for brakingBIncrease speedCCreate a phase shift for starting torqueDReduce noiseView AnswerDiscussWorkspaceReportSaveEasy