Electrical Machines Brushes are always placed on--------------- , in order to achieve sparkles commutation? MNA GNA None of these either GNA or MNA MNA GNA None of these either GNA or MNA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux involved in the emf equation of a transformer has total value. average value. maximum value. rms value. total value. average value. maximum value. rms value. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a transformer to be tested at full load conditions but consuming only losses from the main, we do OC and SC tests load test back to back test None of these OC and SC tests load test back to back test None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Fufuraldehyde analysis is done to determine the condition of oil in transformer. condition of cork gaskets used in transformer. condition of lamination on CRGO steel sheet. condition of paper insulation in transformer. condition of oil in transformer. condition of cork gaskets used in transformer. condition of lamination on CRGO steel sheet. condition of paper insulation in transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At what power factor, the voltage regulation of a transformer can be zero ? Lagging power factor. Zero power factor. Unity power factor. Leading power factor. Lagging power factor. Zero power factor. Unity power factor. Leading power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flux density under trailing pole tips in case of generator will either increase or decrease decrease None of these increase either increase or decrease decrease None of these increase ANSWER DOWNLOAD EXAMIANS APP