Electrical Machines Eddy current loss will depends on Flux density Thickness All of these Frequency Flux density Thickness All of these Frequency ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An unexcited single phase synchronous motor is reluctance motor. repulsion motor. AC series motor. universal motor. reluctance motor. repulsion motor. AC series motor. universal motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of rotation of 5th harmonic component in the stator of an induction motor is 5 times the synchronous speed. (1 / 5) times the synchronous speed. 0.5 times the synchronous speed. (1 / 15) times the synchronous speed. 5 times the synchronous speed. (1 / 5) times the synchronous speed. 0.5 times the synchronous speed. (1 / 15) times the synchronous speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For satisfactory parallel operation of two transformers which of the following conditions is most essential, voltage ratio of all transformers must be same. percentage impedance of all transformers must be same. MVA rating of all transformer inversely proportional to impedance. polarities of all transformers must be same. voltage ratio of all transformers must be same. percentage impedance of all transformers must be same. MVA rating of all transformer inversely proportional to impedance. polarities of all transformers must be same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If in DC Shunt Motor the flux is reduced suddenly to zero, then the speed of motor will be reduced. the motor will attain dangerously high speed. the motor will come to stop. the armature current will reduce. the speed of motor will be reduced. the motor will attain dangerously high speed. the motor will come to stop. the armature current will reduce. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When pure inductive load is connected to the alternator, what is the effect of armature reaction? Magnetization Demagnetization Cross magnetization None of these Magnetization Demagnetization Cross magnetization None of these ANSWER DOWNLOAD EXAMIANS APP
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