Single Phase Motors In a split phase induction motor, the two stator windings Are mutually displaced by 90° electrical Draw equal current Draw only the in phase currents Have equal R/XL ratio Are mutually displaced by 90° electrical Draw equal current Draw only the in phase currents Have equal R/XL ratio ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The full load efficiency of a shaded pole motor is about _______ 70 to 80% 60 to 70% 30 to 35% 5 to 10% 70 to 80% 60 to 70% 30 to 35% 5 to 10% ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In case of a reluctance motor, when the load is increased so that it cannot maintain synchronous speed the motor will Become unstable Draw excessive armature current and may burn out Fall out of synchronism and come to stand still Run as induction motor Become unstable Draw excessive armature current and may burn out Fall out of synchronism and come to stand still Run as induction motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A universal motor operates on Constant speed and varying load Approximately constant speed and load Constant load and varying speed Synchronous speed with varying load Constant speed and varying load Approximately constant speed and load Constant load and varying speed Synchronous speed with varying load ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The washing machine generally employs ______ motor. Resistance split phase Shaded pole Hysteresis Single phase series motor Resistance split phase Shaded pole Hysteresis Single phase series motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a universal motor, the most common cause of brush sparking is high commutator mica all of these shorted field winding? open armature winding high commutator mica all of these shorted field winding? open armature winding ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS