Electrical Machines For small value armature current Ia the torque developed by a DC series motor is proportional to 1/Ia. √Ia. Ia. Ia2. 1/Ia. √Ia. Ia. Ia2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are effects of armature reaction? All of these increase the iron loss increases the design cost increase the maintenance and repair All of these increase the iron loss increases the design cost increase the maintenance and repair ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the maximum power factor of an induction motor for dispersion coefficient of 0.05? 20. 1.1. 0.05. 0.905. 20. 1.1. 0.05. 0.905. 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 Maximum efficiency will occur, when copper loss is_______to iron loss? less than any of the above equal to greater than less than any of the above equal to greater than ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Why are capacitors used with large AC induction motor? Improve voltage level. Improve power level. Improve power factor. Improve current level. Improve voltage level. Improve power level. Improve power factor. Improve current level. ANSWER DOWNLOAD EXAMIANS APP