Electrical Machines Which of the following is the largest conversion device? Induction machine Synchronous machine All of these DC machine Induction machine Synchronous machine All of these DC machine ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable acidity level of power transformer insulating oil is generally taken as 0.3 mg of KOH / gm. 0.5 mg of KOH / gm. 2 mg of KOH / gm. 1 mg of KOH / gm. 0.3 mg of KOH / gm. 0.5 mg of KOH / gm. 2 mg of KOH / gm. 1 mg of KOH / gm. 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 hysteresis loss. increases the electrical resistivity of iron. None of these reduces the saturation magnetization. increases the hysteresis loss. increases the electrical resistivity of iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tertiary winding in a transformer is mostly delta connected. star connected. zig - zag star connected. zig - zag delta connected. delta connected. star connected. zig - zag star connected. zig - zag delta connected. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a transformer is loaded, the secondary terminal voltage drops. That means power factor is zero. leading. unity. lagging. zero. leading. unity. lagging. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC machine has an armature resistance 1Ω. If the full load current is 20 A, the difference of induced voltage and generator is 20 V. 0 V. 40 V. 60 V. 20 V. 0 V. 40 V. 60 V. ANSWER DOWNLOAD EXAMIANS APP
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