Single Phase Motors Capacitor motors _______resistance split phase induction motors. Are less costly than Cost about the same as Poor starting torque than Are costlier than Are less costly than Cost about the same as Poor starting torque than Are costlier than ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The full load efficiency of a shaded pole motor is about _______ 70 to 80% 30 to 35% 5 to 10% 60 to 70% 70 to 80% 30 to 35% 5 to 10% 60 to 70% ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding hysteresis motor is in incorrect ? 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 It accelerates from rest to full-speed almost instantaneously It is extremely quiet in operation ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The resistance split phase induction motors are the most popular single phase motors because of ______ Their high starting torque Their low cost The long starting period None of the listed here Their high starting torque Their low cost The long starting period None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In repulsion motor, maximum torque is developed when brush axis is at 90° electrical to the field axis None of these brush axis is at 45° electrical to the field axis brush axis coincides with the field axis brush axis is at 90° electrical to the field axis None of these brush axis is at 45° electrical to the field axis brush axis coincides with the field axis ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Most of the troubles of single phase induction motors are traceable to the _______ Rotor bars Starting switch Main winding Shaft bearings Rotor bars Starting switch Main winding Shaft bearings ANSWER DOWNLOAD EXAMIANS APP