Electrical Machines Which of the following statement is correct, if short circuit ratio is high? Low short circuit current Good voltage regulation None of these High voltage regulation Low short circuit current Good voltage regulation None of these High voltage regulation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To eliminate the 5th harmonic in the induced voltages their respective pitch factor angle should be 36° 30° 72° 18° 36° 30° 72° 18° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinss test in DC motor is conducted at ? Full load. None of these. Low load. No load. Full load. None of these. Low load. No load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening control method is used for the _________ ? above rated speed both A and B None of these below rated speed above rated speed both A and B None of these below rated speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frequency of voltage generated by an alternator having 8 poles and rotating at 250 rpm is 25 Hz. 60 Hz. 16.67 Hz. 50 Hz. 25 Hz. 60 Hz. 16.67 Hz. 50 Hz. ANSWER DOWNLOAD EXAMIANS APP
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 none of above armature circuit both A and B shunt field none of above armature circuit both A and B ANSWER DOWNLOAD EXAMIANS APP
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