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 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 ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The full load efficiency of a shaded pole motor is about _______ 5 to 10% 30 to 35% 70 to 80% 60 to 70% 5 to 10% 30 to 35% 70 to 80% 60 to 70% ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Capacitor motors _______resistance split phase induction motors. Poor starting torque than Cost about the same as Are costlier than Are less costly than Poor starting torque than Cost about the same as Are costlier than Are less costly than ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A repulsion motor is equipped with commutator both (A) and (B) slip rings None of these commutator both (A) and (B) slip rings None of these ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The repulsion start induction run motor is used because of good power factor minimum cost high efficiency high starting torque good power factor minimum cost high efficiency high starting torque ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The single phase series motor can operate on AC only DC only None of the listed here Both AC and DC AC only DC only None of the listed here Both AC and DC ANSWER DOWNLOAD EXAMIANS APP