Electrical Machines Which type motors are preferred for lathes? Either A or B. Synchronous motor. Squirrel Cage induction motor. DC shunt motors. Either A or B. Synchronous motor. Squirrel Cage induction motor. DC shunt motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Crawling in an induction motor is due to slip ring rotor. time harmonics in supply. insufficient starting torque. space harmonics produced by winding currents. slip ring rotor. time harmonics in supply. insufficient starting torque. space harmonics produced by winding currents. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting phenomenon is observed in which motor? Synchronous motor. Induction motor. Both A and C. DC motor. Synchronous motor. Induction motor. Both A and C. DC motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the armature electric current is increased to double its previous value, and the time of commutation is halved, how will the reactance voltage vary? It will be halved. It will remain the same. It will be doubled. It will becomes four times. It will be halved. It will remain the same. It will be doubled. It will becomes four times. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Centrifugal switch is absent in which of the single phase induction motor? Split phase motor. Shaded pole motor. None of these PSC (permanent split capacitor) motor. Split phase motor. Shaded pole motor. None of these PSC (permanent split capacitor) motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the reactance voltage when current is changed from -2A to 2A in 4 sec and self inductance is 1H? 2 V 0 V 1 V 4 V 2 V 0 V 1 V 4 V ANSWER DOWNLOAD EXAMIANS APP