Electrical Machines Armature resistance control method is used for the _______ ? None of these below rated speed both 1 and 2 above rated speed None of these below rated speed both 1 and 2 above rated speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A compound motor has only shunt field winding. tertiary winding. both shunt and series field winding. only series field winding. only shunt field winding. tertiary winding. both shunt and series field winding. only series field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable acidity level of power transformer insulating oil is generally taken as 1 mg of KOH / gm. 2 mg of KOH / gm. 0.5 mg of KOH / gm. 0.3 mg of KOH / gm. 1 mg of KOH / gm. 2 mg of KOH / gm. 0.5 mg of KOH / gm. 0.3 mg of KOH / gm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutator in DC generator is used for increase efficiency convert AC armature current in to DC collecting of current reduce losses increase efficiency convert AC armature current in to DC collecting of current reduce losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous motor will deliver maximum power when load angle is equal to internal angle θ. input power factor is unity. load angle is 45°. load angle is 0°. load angle is equal to internal angle θ. input power factor is unity. load angle is 45°. load angle is 0°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor speed, in a synchronous machine, becomes more than the synchronous speed during hunting, the damper bars develop induction generator torque. synchronous motor torque. induction motor torque. DC motor torque. induction generator torque. synchronous motor torque. induction motor torque. DC motor torque. ANSWER DOWNLOAD EXAMIANS APP
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