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. 0 V. 40 V. 20 V. 60 V. 0 V. 40 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For high current and low current rating which winding is employed to DC machine? Lap winding Wave winding Both lap and wave winding None of above Lap winding Wave winding Both lap and wave winding None of above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors has negative speed regulation? Differential compound motors. Series motors. Shunt motors. Both B and C. Differential compound motors. Series motors. Shunt motors. Both B and C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which transformer, the tertiary winding is used? Delta - delta Delta - star Star - delta Star - star Delta - delta Delta - star Star - delta Star - star ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 72 number of coils are used. Find the number of commutator segments required? 37 36 72 74 37 36 72 74 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of core are generally made of carbon. silicon steel. stainless steel. cast iron. carbon. silicon steel. stainless steel. cast iron. ANSWER DOWNLOAD EXAMIANS APP
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