Electrical Machines Hunting phenomenon is observed in which motor? Synchronous motor. Induction motor. DC motor. Both A and C. Synchronous motor. Induction motor. DC motor. Both A and C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are effects of armature reaction? increases the design cost All of these increase the iron loss increase the maintenance and repair increases the design cost All of these increase the iron loss increase the maintenance and repair ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The basic function of a transformer is to change the level of the voltage the frequency the power level the power factor the level of the voltage the frequency the power level the power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will happen if the the supply terminals are reversed in case of a DC shunt motor? The motor will run at its normal speed in the same direction as before. The motor will stop. The motor will run in reverse direction. The motor will run much faster in the same direction. The motor will run at its normal speed in the same direction as before. The motor will stop. The motor will run in reverse direction. The motor will run much faster in the same direction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature resistance control method is also called as-----------? constant torque control constant current control constant voltage control constant power control constant torque control constant current control constant voltage control constant power control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following alternators contain large number of poles? Turbo alternators. Aame in both alternators. None of these Hydro alternators. Turbo alternators. Aame in both alternators. None of these Hydro alternators. ANSWER DOWNLOAD EXAMIANS APP