Electrical Machines A 220 V DC machine has an armature resistance 1 Ω. If the full load current is 20 A, the difference of induced voltage between generator and motor is 20 V. 60 V. 40 V. 0 V. 20 V. 60 V. 40 V. 0 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, alternator has generated emf per phase of 230 V with 10% 3rd harmonic and 6% 5th harmonic content. Calculate rms line voltage for star connection. 100 V. 399 V. 230.2 V. 50 V. 100 V. 399 V. 230.2 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor having 8 poles runs at 727.5 rpm. If the supply frequency is 50Hz, the emf in the rotor will have a frequency of 51.5Hz 1.5Hz 48.5Hz 2.5Hz 51.5Hz 1.5Hz 48.5Hz 2.5Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following motor is preferred for belt conveyor? Reluctance motor. Universal motor. Slip ring induction motor. Synchronous motors. Reluctance motor. Universal motor. Slip ring induction motor. Synchronous motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The principle of operation of a 3 - Φ induction motor is almost similar to that of synchronous motor. repulsion start induction motor. capacitor start induction motor. transformer with secondary short circuited. synchronous motor. repulsion start induction motor. capacitor start induction motor. transformer with secondary short circuited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In IM the rotor lamination can be ________________ than stator laminations. thicker. sipper. rotor can not have any laminations. thinner. thicker. sipper. rotor can not have any laminations. thinner. ANSWER DOWNLOAD EXAMIANS APP
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