In case one phase of a three-phase synchronous motor is short-circuited the motor will____________? 0 A. not start B. run at 2/3 of synchronous speed C. run with excessive vibrations D. take less than the rated load Synchronous motors are generally not self-starting because: 0 A. the direction of rotation is not fixed B. the direction of instantaneous torque reverses after half cycle C. startes cannot be used on these machines D. starting winding is not provided on the machines « Previous 1 … 12 13 Go to General Knowledge Current Affairs Pakistan Current Affairs World Current Affairs Pak Study Mcqs Islamic Studies Mcqs Everyday Science Mcqs MORE English Mcqs Maths Mcqs Computer Mcqs Pedagogy Mcqs Physics Mcqs Chemistry Mcqs Biology Mcqs URDU Mcqs Management Finance Mcqs HRM Mcqs Marketing Mcqs Accounting Mcqs Auditing Mcqs ENGINEERING MCQS Electrical Engineering Civil Engineering Mcqs Mechanical Engineering Chemical Engineering Software Engineering Medical Mcqs OTHER SUBJECTS Psychology Mcqs Sociology Mcqs Political Science Mcqs Agriculture Mcqs Economics Mcqs Statistics Mcqs English Literature Mcqs Judiciary And Law Mcqs Download App
Synchronous motors are generally not self-starting because: 0 A. the direction of rotation is not fixed B. the direction of instantaneous torque reverses after half cycle C. startes cannot be used on these machines D. starting winding is not provided on the machines « Previous 1 … 12 13 Go to