Electrical Machines Demagnetization effects which of the following? commutation both B and C reduces the terminal voltage reduction in main field flux commutation both B and C reduces the terminal voltage reduction in main field flux ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Brushes are always placed on--------------- , in order to achieve sparkles commutation? GNA either GNA or MNA None of these MNA GNA either GNA or MNA None of these MNA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flux density under trailing pole tips in case of generator will increase decrease None of these either increase or decrease increase decrease None of these either increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flux density under leading pole tips in case of generator will None of these increase either increase or decrease decrease None of these increase either increase or decrease decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are effects of armature reaction? increases the design cost increase the maintenance and repair increase the iron loss All of these increases the design cost increase the maintenance and repair increase the iron loss All of these ANSWER DOWNLOAD EXAMIANS APP