Electrical Machines If direct axis reactance Xd and quadrature axis reactance Xq are equal, then reluctance power is zero All of these maximum minimum zero All of these maximum minimum ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a cumulatively compound DC motor can be controlled by varying Armature voltage control. Any of above. Armature resistance control. Shunt field resistance control. Armature voltage control. Any of above. Armature resistance control. Shunt field resistance control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC machine windings are None of these either of these full pitched short pitched None of these either of these full pitched short pitched ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stability of a synchronous motor ---------- with the increase in excitation. increases remains unaffected any of the above decreases increases remains unaffected any of the above decreases ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors has low ratings only? Shaded pole Capacitor start Capacitor run Resistance split phase Shaded pole Capacitor start Capacitor run Resistance split phase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider a separately excited DC motor. If the field current is increased while the armature terminal voltage is held constant, then speed of the motor Decrease. Increase. Remains same. None of these. Decrease. Increase. Remains same. None of these. ANSWER DOWNLOAD EXAMIANS APP
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