Single Phase Motors Which of the following statements regarding hysteresis motor is in incorrect ? It is extremely quiet in operation It accelerates from rest to full-speed almost instantaneously It is extremely sensitive to fluctuations in supply voltage Its high starting torque is due to its high rotor hysteresis loss It is extremely quiet in operation It accelerates from rest to full-speed almost instantaneously It is extremely sensitive to fluctuations in supply voltage Its high starting torque is due to its high rotor hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Locked rotor current of a shaded pole motor is equal to full load current less than full load current several times the full load current slightly more than full load current equal to full load current less than full load current several times the full load current slightly more than full load current ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following motor can be used for unity power factor? Scharge motor Shaded pole motor Hysteresis motor Capacitor run motor Scharge motor Shaded pole motor Hysteresis motor Capacitor run motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors For the same rating, the efficiency of a single phase induction motor is _______ that of 3-phase induction motor. The same as Less than More than None of the listed here The same as Less than More than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If a DC series motor is operated on AC supply, it will Spark excessively Have poor efficiency All of the listed here Have poor power factor Spark excessively Have poor efficiency All of the listed here Have poor power factor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding repulsion-start induction motor is incorrect ? 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 It requires more maintenance of commutator and other mechanical devices It makes quite a bit of noise on starting ANSWER DOWNLOAD EXAMIANS APP
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