Single Phase Motors When a universal motor is operated on no load, its speed is limited by Armature reaction Weight of the armature Supply voltage frequency Windage and friction Armature reaction Weight of the armature Supply voltage frequency Windage and friction ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding hysteresis motor is in incorrect ? Its high starting torque is due to its high rotor hysteresis loss It is extremely sensitive to fluctuations in supply voltage It accelerates from rest to full-speed almost instantaneously It is extremely quiet in operation Its high starting torque is due to its high rotor hysteresis loss It is extremely sensitive to fluctuations in supply voltage It accelerates from rest to full-speed almost instantaneously It is extremely quiet in operation ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following is most economical method of starting a single phase induction motor? Split phase method Capacitor start method Inductance start method Resistance start method Split phase method Capacitor start method Inductance start method Resistance start method ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors What could be the size of a universal motor for use in vaccum cleaners? 2 HP 1 HP 3/4 HP 1/4 HP 2 HP 1 HP 3/4 HP 1/4 HP ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If the single phase motor runs hot the probable cause cannot be Low voltage Blown fuse High voltage Shorted stator coils Low voltage Blown fuse High voltage Shorted stator coils ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Capacitor motors _______resistance split phase induction motors. Are costlier than Cost about the same as Are less costly than Poor starting torque than Are costlier than Cost about the same as Are less costly than Poor starting torque than ANSWER DOWNLOAD EXAMIANS APP