Electrical Machines If the field connection of a DC Shunt Motor is changed then it will run in same direction. it will run in opposite direction. motor will not run. it will run in same direction by slowly. it will run in same direction. it will run in opposite direction. motor will not run. it will run in same direction by slowly. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of these types of motor is self starting? Poly-phase induction motor. Single phase induction motor. Poly-phase synchronous machine. None of these. Poly-phase induction motor. Single phase induction motor. Poly-phase synchronous machine. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct statements? EMF per turn in both the windings are equal EMF per turn in HV winding is more than EMF per turn in LV winding EMF per turn in HV winding is less than EMF per turn in LV winding All of these EMF per turn in both the windings are equal EMF per turn in HV winding is more than EMF per turn in LV winding EMF per turn in HV winding is less than EMF per turn in LV winding All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In Ward-Leonard system, the lower limit of the speed imposed by None of above. Field resistance. Armature resistance. Residual magnetism of the generator. None of above. Field resistance. Armature resistance. Residual magnetism of the generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the rotating losses of machine? Friction and windage losses Hysteresis losses All of the them Eddy current losses Friction and windage losses Hysteresis losses All of the them Eddy current losses 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 synchronous motor torque. DC motor torque. induction generator torque. induction motor torque. synchronous motor torque. DC motor torque. induction generator torque. induction motor torque. ANSWER DOWNLOAD EXAMIANS APP
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