Electrical Machines A 4 pole dc generator is running at 1500 rpm the frequency of current in the armature winding is 100Hz. 50Hz. 150Hz. 200Hz. 100Hz. 50Hz. 150Hz. 200Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor especially the cage rotors slots are nearly parallel to shaft axis. This is called slip. skewing. crawling. cogging. slip. skewing. crawling. cogging. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following starter is sufficient to start the DC series motor ? 3 point starter 4 point starter 2 point starter All of these 3 point starter 4 point starter 2 point starter All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine yoke offers both A and B mechanical protection to the machine flux path completion produce working flux both A and B mechanical protection to the machine flux path completion produce working flux ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, the no-load slip is generally equal to less than 1 %. 1.5 %. 4 %. zero. less than 1 %. 1.5 %. 4 %. zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In Ward-Leonard system, the lower limit of the speed imposed by Residual magnetism of the generator. None of above. Field resistance. Armature resistance. Residual magnetism of the generator. None of above. Field resistance. Armature resistance. ANSWER DOWNLOAD EXAMIANS APP
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