Electrical Machines Voltage regulation of transformer is given by (V2 - E2) / E2 (E2 - V2) / V2 (V2 - E2) / V2 (E2 - V2) / E2 (V2 - E2) / E2 (E2 - V2) / V2 (V2 - E2) / V2 (E2 - V2) / E2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of a conductively compensated DC series motor, the compensating winding is provided In parallel with the armature winding. In series with the armature winding. As a separate unit. In parallel with the field winding. In parallel with the armature winding. In series with the armature winding. As a separate unit. In parallel with the field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which 1 - Φ motor does operate at high power factor? Shaded pole. Capacitor run. Capacitor start. Split phase. Shaded pole. Capacitor run. Capacitor start. Split phase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator the actual flux distribution depends upon size of air gap. shape of the pole shoe. all of above. clearance between tips of the adjacent pole shoes. size of air gap. shape of the pole shoe. all of above. clearance between tips of the adjacent pole shoes. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two mechanically coupled alternators deliver power at 50 Hz and 60 Hz respectively. Highest speed of alternator is 3600 rpm. 500 rpm. 3000 rpm. 600 rpm. 3600 rpm. 500 rpm. 3000 rpm. 600 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Crawling in an induction motor is due to slip ring rotor. insufficient starting torque. space harmonics produced by winding currents. time harmonics in supply. slip ring rotor. insufficient starting torque. space harmonics produced by winding currents. time harmonics in supply. ANSWER DOWNLOAD EXAMIANS APP