Electrical Machines To get the speed of DC motor more than normal without wastage of electrical energy _____________ is used. any of above method. none of above. rheostatic control. Ward Leonard control. any of above method. none of above. rheostatic control. Ward Leonard control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor, damper windings are provided on stator frame. pole faces. rotor shaft. None of these stator frame. pole faces. rotor shaft. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 3rd harmonics are eliminated in induction motor by using zig - zag connection. V connection. star connection. delta connection. zig - zag connection. V connection. star connection. delta connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If iron loss and full load copper loss of any transformer are denoted by Pi and Pc, then the load corresponding to maximum efficiency is given by (Pi / Pc)2 × full Load. (Pi / Pc) × full Load. (Pi / Pc)1.6 × full Load. (Pi / Pc)0.5 × Full Load. (Pi / Pc)2 × full Load. (Pi / Pc) × full Load. (Pi / Pc)1.6 × full Load. (Pi / Pc)0.5 × Full Load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor in split phase induction motor is used to improve the power factor. improve the starting torque. start the motor. reduce the harmonics. improve the power factor. improve the starting torque. start the motor. reduce the harmonics. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The dc motor which can provide zero speed regulation at full load without any controller, is differential compound. shunt. cumulative compound. series. differential compound. shunt. cumulative compound. series. ANSWER DOWNLOAD EXAMIANS APP
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