Electrical Machines The function of field regulator in a DC compound motor is to limit the armature current. control field current. none of above. vary the armature resistance. limit the armature current. control field current. none of above. vary the armature resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of DC motor is laminated to reduce the hysteresis loss. to reduce the mass. to reduce the inductor. to reduce the eddy current loss. to reduce the hysteresis loss. to reduce the mass. to reduce the inductor. to reduce the eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature resistance control method is used for the _______ ? None of these above rated speed below rated speed both 1 and 2 None of these above rated speed below rated speed both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Why are capacitors used with large AC induction motor? Improve power factor. Improve current level. Improve voltage level. Improve power level. Improve power factor. Improve current level. Improve voltage level. Improve power level. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A short circuit test on a transformer gives copper loss at half load. copper loss at full load. copper loss at any load. copper loss at over load. copper loss at half load. copper loss at full load. copper loss at any load. copper loss at over load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is reduced, the power factor is lagging power factor None of these leading power factor unity power factor lagging power factor None of these leading power factor unity power factor ANSWER DOWNLOAD EXAMIANS APP
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