Synchronous Motors When pull-out torque occurs in a synchronous motor, the poles of the rotor are _______ Coincident with statorbpoles 45° (electrical) behind stator poles None of the listed here Mid way between N and S poles of stator Coincident with statorbpoles 45° (electrical) behind stator poles None of the listed here Mid way between N and S poles of stator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The capacity of a synchronous capacitor is generally in the range of kVAR MVAR VAR None of the listed here kVAR MVAR VAR None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Power factor of a synchronous motor is unity when The armature current is minimum The armature current is maximum The armature current is zero None of the listed here The armature current is minimum The armature current is maximum The armature current is zero None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor can not be due to Variable supply frequency Variable frequency Windage friction Variable load Variable supply frequency Variable frequency Windage friction Variable load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous capacitor is None of the listed here An over excited synchronous motor running without mechanical load An ordinary static capacitor bank An over excited synchronous motor driving mechanical load None of the listed here An over excited synchronous motor running without mechanical load An ordinary static capacitor bank An over excited synchronous motor driving mechanical load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a 3-phase synchronous motor, the negative phase sequence exists when the motor is None of these supplied with unbalanced voltage over-loaded under-loaded None of these supplied with unbalanced voltage over-loaded under-loaded ANSWER DOWNLOAD EXAMIANS APP