Synchronous Motors When pull-out torque occurs in a synchronous motor, the poles of the rotor are _______ None of the listed here Mid way between N and S poles of stator 45° (electrical) behind stator poles Coincident with statorbpoles None of the listed here Mid way between N and S poles of stator 45° (electrical) behind stator poles Coincident with statorbpoles ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor can not be due to Variable supply frequency Windage friction Variable frequency Variable load Variable supply frequency Windage friction Variable frequency Variable load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The construction of a synchronous motor ressembles An alternator A rotary converter An induction motor A series motor An alternator A rotary converter An induction motor A series motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor runs at speed ranging from ______ 150 to 1800 rpm 3600 to 6000 rpm None of the listed here 1800 to 3600 rpm 150 to 1800 rpm 3600 to 6000 rpm None of the listed here 1800 to 3600 rpm ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor Decreases as the load decreases Increases as the load increases None of the listed here Always remains constant Decreases as the load decreases Increases as the load increases None of the listed here Always remains constant ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum speed variation in a 3 phase synchronous motor is 2 percent Zero 4 percent 10 percent 2 percent Zero 4 percent 10 percent ANSWER DOWNLOAD EXAMIANS APP
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