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 is extremely quiet in operation It accelerates from rest to full-speed almost instantaneously Its high starting torque is due to its high rotor hysteresis loss It is extremely sensitive to fluctuations in supply voltage It is extremely quiet in operation It accelerates from rest to full-speed almost instantaneously ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A 4 pole, 50 Hz single phase induction motor has a slip of 5% . The speed of the motor will be None of the listed here 1500 rpm 1200 rpm 1425 rpm None of the listed here 1500 rpm 1200 rpm 1425 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Torque developed by a single phase induction motor at starting is Nil None of the listed here Uniform Pulsating Nil None of the listed here Uniform Pulsating ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The capacitor start, capacitor run induction motor acts as a true 2-phase motor at _______ No load Starting All loads Full load No load Starting All loads Full load ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Most of the fractional horsepower motors have either hard and annealed bearings plain or sleeve bearings ball or roller bearings soft and porous bearings hard and annealed bearings plain or sleeve bearings ball or roller bearings soft and porous bearings ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In case of a shaded pole motor the direction of rotation of the motor is either of the above depending on power factor from main pole to shaded pole from shaded pole to main pole either of the above depending on voltage either of the above depending on power factor from main pole to shaded pole from shaded pole to main pole either of the above depending on voltage ANSWER DOWNLOAD EXAMIANS APP