Electrical Machines To eliminate the 5th harmonic in the induced voltages their respective pitch factor angle should be 18° 36° 72° 30° 18° 36° 72° 30° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a transformer is loaded, the secondary terminal voltage drops. That means power factor is lagging. unity. zero. leading. lagging. unity. zero. leading. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip exists in none of above. synchronous motor. in both machines. induction motor. none of above. synchronous motor. in both machines. induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Addition of 0.3 % to 4.5 % silicon to iron None of these reduces the saturation magnetization. increases the electrical resistivity of iron. increases the hysteresis loss. None of these reduces the saturation magnetization. increases the electrical resistivity of iron. increases the hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction effect is more in which of the following methods? same in both methods field weakening method None of these armature resistance control same in both methods field weakening method None of these armature resistance control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a lap winding dc machine number of conductors are 100 and number of parallel paths are 10. Find the average pitch 100 50 1 10 100 50 1 10 ANSWER DOWNLOAD EXAMIANS APP
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