Single Phase Motors Most of the troubles of single phase induction motors are traceable to the _______ Main winding Rotor bars Starting switch Shaft bearings Main winding Rotor bars Starting switch Shaft bearings 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 1540 rpm 1449 rpm 1279 rpm 1120 rpm 1540 rpm 1449 rpm 1279 rpm 1120 rpm 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 Single phase series motor Shaded pole Hysteresis motor Capacitor run motor Single phase series motor Shaded pole Hysteresis motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In case of a reluctance motor, when the load is increased so that it cannot maintain synchronous speed the motor will Become unstable Run as induction motor Draw excessive armature current and may burn out Fall out of synchronism and come to stand still Become unstable Run as induction motor Draw excessive armature current and may burn out Fall out of synchronism and come to stand still 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. Less than None of the listed here More than The same as Less than None of the listed here More than The same as ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following is most economical method of starting a single phase induction motor? Capacitor start method Inductance start method Resistance start method Split phase method Capacitor start method Inductance start method Resistance start method Split phase method ANSWER DOWNLOAD EXAMIANS APP
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