Electrical Machines High inrush of current during a starting of DC motor can efficiently be restricted to a safer value by increasing the _________________ resistance. shunt field both A and B none of above armature circuit shunt field both A and B none of above armature circuit 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. 230.2 V. 100 V. 399 V. 50 V. 230.2 V. 100 V. 399 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is an advisable to use auto transformer if the transformation ratio is near to 1. 0.5. 0.25. Greater than 1. near to 1. 0.5. 0.25. Greater than 1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is critical, the power factor of the alternator is None of these leading power factor. unity power factor. lagging power factor. None of these leading power factor. unity power factor. lagging power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, full form of MNA is what? Magnetic no-load axis. Magnetic neutral axis. Magnetically no-load armature co-ordinate. Magnetic neutral armature co-ordinate. Magnetic no-load axis. Magnetic neutral axis. Magnetically no-load armature co-ordinate. Magnetic neutral armature co-ordinate. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque is proportional to which of the following? armature current(Ia) flux(φ) both A and B None of these armature current(Ia) flux(φ) both A and B None of these ANSWER DOWNLOAD EXAMIANS APP
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