Electrical Machines The armature reaction mmf in a DC machines has a form of triangular. sinusoidal. rectangular. trapezoidal. triangular. sinusoidal. rectangular. trapezoidal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A belt-driven cumulatively-compound dc generator is delivering power to the dc mains. If the Belt snaps then the machine will run as a cumulative compounded motor in the same direction cumulative compounded motor in opposite direction differentially compounded motor in the opposite direction differentially compounded motor in the same direction cumulative compounded motor in the same direction cumulative compounded motor in opposite direction differentially compounded motor in the opposite direction differentially compounded motor in the same direction ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A frog leg winding is used in a DC machine to eliminate reactance voltage produced due to communication. the use drum winding. the use of compensating winding. the use equalizer in lap winding. reactance voltage produced due to communication. the use drum winding. the use of compensating winding. the use equalizer in lap winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine yoke offers both A and B mechanical protection to the machine produce working flux flux path completion both A and B mechanical protection to the machine produce working flux flux path completion ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flux density under leading pole tips in case of generator will decrease either increase or decrease None of these increase decrease either increase or decrease None of these increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To eliminate the 5th harmonic in the induced voltages their respective pitch factor angle should be 72° 36° 30° 18° 72° 36° 30° 18° ANSWER DOWNLOAD EXAMIANS APP