Single Phase Motors A universal motor operates on Approximately constant speed and load Synchronous speed with varying load Constant speed and varying load Constant load and varying speed Approximately constant speed and load Synchronous speed with varying load Constant speed and varying load Constant load and varying speed 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 None of the listed here Less than More than The same as None of the listed here Less than More than ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The capacitor start, capacitor run motor is used in thode applications where _____ High starting torque is required Silence is important None of the listed here Noisy operation is not important High starting torque is required Silence is important None of the listed here Noisy operation is not important ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A 4-pole , 50 Hz single phase induction motor is running with a slip of 3.4%. The speed of the motor is 1120 rpm 1540 rpm 1449 rpm 1279 rpm 1120 rpm 1540 rpm 1449 rpm 1279 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding repulsion-start induction motor is incorrect ? 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 It is not easily reversed ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The best suited motor to drive 1/4 HP fan in a hospital ward would be ______ motor. Shaded pole Hysteresis motor Single phase series motor Capacitor run motor Shaded pole Hysteresis motor Single phase series motor Capacitor run motor ANSWER DOWNLOAD EXAMIANS APP