Single Phase Motors A 4 pole, 50 Hz single phase induction motor has a slip of 5% . The speed of the motor will be 1200 rpm None of the listed here 1425 rpm 1500 rpm 1200 rpm None of the listed here 1425 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The direction of rotation of universal motor can be reversed the by reversing the flow of current through None of these Field winding Either armature winding or field winding Armature winding None of these Field winding Either armature winding or field winding Armature winding ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors For the same rating , the single phase induction motor is _______ that of 3-phase induction motor. Less than The same as More than None of the listed here Less than The same as More than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Centrifugal switch disconnects the auxiliary winding of the motor at about ____ percent of synchronous speed 30 to 40 100 70 to 80 80 to 90 30 to 40 100 70 to 80 80 to 90 ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The best suited motor to drive 1/4 HP fan in a hospital ward would be ______ motor. Capacitor run motor Shaded pole Single phase series motor Hysteresis motor Capacitor run motor Shaded pole Single phase series motor Hysteresis motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The rotor slots, in an induction motor, are usually not quite parallel to the shaft because it helps in reducing the tendency of the rotor teeth to remain under the stator teeth helps the rotor teeth to remain under the stator teeth improves the efficiency improves the power factor helps in reducing the tendency of the rotor teeth to remain under the stator teeth helps the rotor teeth to remain under the stator teeth improves the efficiency improves the power factor ANSWER DOWNLOAD EXAMIANS APP