Single Phase Motors In repulsion motor, maximum torque is developed when brush axis coincides with the field axis brush axis is at 90° electrical to the field axis brush axis is at 45° electrical to the field axis None of these brush axis coincides with the field axis brush axis is at 90° electrical to the field axis brush axis is at 45° electrical to the field axis None of these ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following motors can be used for unity power factor ? Schrage motor Hysteresis motor Shaded pole motor Capacitor run motor Schrage motor Hysteresis motor Shaded pole motor Capacitor run motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The single phase series motor can operate on DC only Both AC and DC None of the listed here AC only DC only Both AC and DC None of the listed here AC only ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The least expensive fractional horse power motor is _______motor. Split phase Ac series Capacitor start Shaded pole Split phase Ac series Capacitor start Shaded pole 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 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 ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If the capacitor of a single-phase motor is short-circuited the motor will run the motor will run in reverse direction the motor will run in the same direction at reduced r.p.m. the motor will not start the motor will run the motor will run in reverse direction the motor will run in the same direction at reduced r.p.m. the motor will not start ANSWER DOWNLOAD EXAMIANS APP