Single Phase Motors In case of a shaded pole motor the direction of rotation of the motor is either of the above depending on voltage from main pole to shaded pole from shaded pole to main pole either of the above depending on power factor either of the above depending on voltage from main pole to shaded pole from shaded pole to main pole either of the above depending on power factor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The best suited motor to drive 1/4 HP fan in a hospital ward would be ______ motor. Shaded pole Single phase series motor Capacitor run motor Hysteresis motor Shaded pole Single phase series motor Capacitor run motor Hysteresis motor 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 Which of the following statements regarding hysteresis motor is in incorrect ? It accelerates from rest to full-speed almost instantaneously It is extremely quiet in operation It is extremely sensitive to fluctuations in supply voltage Its high starting torque is due to its high rotor hysteresis loss It accelerates from rest to full-speed almost instantaneously It is extremely quiet in operation It is extremely sensitive to fluctuations in supply voltage Its high starting torque is due to its high rotor hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a universal motor, the most common cause of brush sparking is open armature winding shorted field winding? all of these high commutator mica open armature winding shorted field winding? all of these high commutator mica ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The rotor slots, in an induction motor, are usually not quite parallel to the shaft because it helps in reducing the tendency of the rotor teeth to remain under the stator teeth improves the efficiency helps the rotor teeth to remain under the stator teeth improves the power factor helps in reducing the tendency of the rotor teeth to remain under the stator teeth improves the efficiency helps the rotor teeth to remain under the stator teeth improves the power factor ANSWER DOWNLOAD EXAMIANS APP
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