Single Phase Motors Which of the following statements regarding hysteresis motor is in incorrect ? It is extremely sensitive to fluctuations in supply voltage It is extremely quiet in operation Its high starting torque is due to its high rotor hysteresis loss It accelerates from rest to full-speed almost instantaneously It is extremely sensitive to fluctuations in supply voltage It is extremely quiet in operation Its high starting torque is due to its high rotor hysteresis loss It accelerates from rest to full-speed almost instantaneously ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The full load efficiency of a shaded pole motor is about _______ 70 to 80% 5 to 10% 60 to 70% 30 to 35% 70 to 80% 5 to 10% 60 to 70% 30 to 35% ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which motor has unsymmetrical rotor? Reluctance motor Split phase motor Shaded pole motor Universal motor Reluctance motor Split phase motor Shaded pole motor Universal motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Most of the troubles of single phase induction motors are traceable to the _______ Starting switch Main winding Rotor bars Shaft bearings Starting switch Main winding Rotor bars Shaft bearings ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding single-phase induction motoris correct ? It is self-starting It can rotate in one direction only It is not self-starting It requires only one winding It is self-starting It can rotate in one direction only It is not self-starting It requires only one winding ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The rotor slots, in an induction motor, are usually not quite parallel to the shaft because it improves the efficiency improves the power factor helps the rotor teeth to remain under the stator teeth helps in reducing the tendency of the rotor teeth to remain under the stator teeth improves the efficiency improves the power factor helps the rotor teeth to remain under the stator teeth helps in reducing the tendency of the rotor teeth to remain under the stator teeth ANSWER DOWNLOAD EXAMIANS APP