Single Phase Motors Which of the following statements regarding repulsion-start induction motor is incorrect ? It requires more maintenance of commutator and other mechanical devices It makes quite a bit of noise on starting It is not easily reversed In fractional horse power motors, it has replaced the capacitor motors It requires more maintenance of commutator and other mechanical devices It makes quite a bit of noise on starting It is not easily reversed In fractional horse power motors, it has replaced the capacitor motors 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 1425 rpm 1200 rpm None of the listed here 1500 rpm 1425 rpm 1200 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A 50 Hz, 4- pole single phase induction motor will have a synchronous speed of ______ None of the listed here 1500 rpm 1200 rpm 750 rpm None of the listed here 1500 rpm 1200 rpm 750 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The capacitor start, capacitor run induction motor acts as a true 2-phase motor at _______ Full load No load All loads Starting Full load No load All loads Starting 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 In case of a shaded pole motor the direction of rotation of the motor is from main pole to shaded pole either of the above depending on power factor from shaded pole to main pole either of the above depending on voltage from main pole to shaded pole either of the above depending on power factor from shaded pole to main pole either of the above depending on voltage ANSWER DOWNLOAD EXAMIANS APP
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