Electrical Machines Armature resistance control method is also called as-----------? constant current control constant voltage control constant torque control constant power control constant current control constant voltage control constant torque control constant power control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve quick acceleration. reduced size. low starting torque. high efficiency. quick acceleration. reduced size. low starting torque. high efficiency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Essential conditions for two DC generators are connecting for parallel operation is/are polarities should be same. terminal voltage should be same. rating of generators should be same. both A and B. polarities should be same. terminal voltage should be same. rating of generators should be same. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous motor the torque is proportional to Power P 1/P² P² 1/P Power P 1/P² P² 1/P ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A part an alternator winding consist of eight coils in series, each having an emf of 20 V rms induced in it. Coils are placed in successive slots and between each slot and the next, there is an electrical phase displacement of 30°. Find the emf of eight coils in series 86.91 V. 56.91 V. 76.91 V. 66.91 V. 86.91 V. 56.91 V. 76.91 V. 66.91 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC generator is run at full speed without any excitation. The open circuit voltage will be zero. 220 V. about 50 V. about 2 V. zero. 220 V. about 50 V. about 2 V. ANSWER DOWNLOAD EXAMIANS APP
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