Single Phase Motors Centrifugal switch disconnects the auxiliary winding of the motor at about ____ percent of synchronous speed 70 to 80 30 to 40 80 to 90 100 70 to 80 30 to 40 80 to 90 100 ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The direction of rotation of shaded pole motor depends on ______ Which half of the pole is shaded Number of poles on the stator Supply voltage Supply frequency Which half of the pole is shaded Number of poles on the stator Supply voltage Supply frequency ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The resistance split phase induction motor is used in those application where ______ Starting is infrequent None of the listed here Starting is frequent Starting period is long Starting is infrequent None of the listed here Starting is frequent Starting period is long ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If a particular application needs high speed and high starting torque, then which of the following motor will bepreferred ? Capacitor start and run motor Universal motor Capacitor start motor Shaded pole type motor Capacitor start and run motor Universal motor Capacitor start motor Shaded pole type motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A 50 Hz, 4- pole single phase induction motor will have a synchronous speed of ______ 1500 rpm None of the listed here 1200 rpm 750 rpm 1500 rpm None of the listed here 1200 rpm 750 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Electrical faults in a motor occur must commonly in its Commutator Motor winding Brushes Control equipment Commutator Motor winding Brushes Control equipment ANSWER DOWNLOAD EXAMIANS APP
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