Electrical Machines In a DC generator in case the brushes are moved so as to bring them in magnetic neutral axis, then, there will be cross-magnetisation. demagnetisation. none of above. cross-magnetization as well as demagnetization. cross-magnetisation. demagnetisation. none of above. cross-magnetization as well as demagnetization. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is reduced, the power factor is unity power factor leading power factor None of these lagging power factor unity power factor leading power factor None of these lagging power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power input to a 3 - φ induction motor is 60 kW and stator loss is 1 kW the rotor cu loss per phase is slip X 69 / 3. 1. slip X 59 / 3. slip X 50 / 3. slip X 69 / 3. 1. slip X 59 / 3. slip X 50 / 3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following are variable losses? shunt field copper loss eddy current loss hysteresis loss armature copper loss shunt field copper loss eddy current loss hysteresis loss armature copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct statements? EMF per turn in both the windings are equal EMF per turn in HV winding is less than EMF per turn in LV winding All of these EMF per turn in HV winding is more than EMF per turn in LV winding EMF per turn in both the windings are equal EMF per turn in HV winding is less than EMF per turn in LV winding All of these EMF per turn in HV winding is more than EMF per turn in LV winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tertiary winding in a transformer is mostly star connected. zig - zag delta connected. zig - zag star connected. delta connected. star connected. zig - zag delta connected. zig - zag star connected. delta connected. ANSWER DOWNLOAD EXAMIANS APP
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