DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Interpoles Dummy coils Compensating winding Shifting of axis of brushes Interpoles Dummy coils Compensating winding Shifting of axis of brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators In dc generator, the constant losses is equal to Stray losses Stray losses plus shunt cu loss Mechanical losses None of the listed here Stray losses Stray losses plus shunt cu loss Mechanical losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for Series generator only None of the listed here Shunt generator only Both shunt and compound generator Series generator only None of the listed here Shunt generator only Both shunt and compound generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators Current versus time graph for an ideal commutation is a Hydrobola Straight line Parabola None of the listed here Hydrobola Straight line Parabola None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature reaction in a dc generator can be increased by increasing the None of the listed here Armature current Field current Data is insufficient None of the listed here Armature current Field current Data is insufficient ANSWER DOWNLOAD EXAMIANS APP
DC Generators Stray losses consist of Magnetic and mechanical losses None of the listed here Magnetic and copper losses Mechanical and copper losses Magnetic and mechanical losses None of the listed here Magnetic and copper losses Mechanical and copper losses ANSWER DOWNLOAD EXAMIANS APP