DC Generators In a D.C. generator the critical resistance refers to the resistance of Brushes Armature Field Load Brushes Armature Field Load ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the magnetic neutral axis coincides with the geometrical neutral axis, when The generator runs on designed speed The generator runs on full load There is no load on the generator The generator runs on overload The generator runs on designed speed The generator runs on full load There is no load on the generator The generator runs on overload ANSWER DOWNLOAD EXAMIANS APP
DC Generators An 8 pole, 250 V, wave wound generator has 400 conductors. If the generator is to be lap wound, the number of conductors required is ______ 1600 3200 100 800 1600 3200 100 800 ANSWER DOWNLOAD EXAMIANS APP
DC Generators To avoid formation of grooves in the commutator of a D.C. machine All of these The brushes of same polarity should track each other The brushes of opposite polarity should track each other Brush position has no effect on the commutator grooving All of these The brushes of same polarity should track each other The brushes of opposite polarity should track each other Brush position has no effect on the commutator grooving ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a four-pole D.C. machine Alternate poles are north and south Two north poles follow two south poles All the four poles are south poles All the four poles are north poles Alternate poles are north and south Two north poles follow two south poles All the four poles are south poles All the four poles are north poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The purpose of providing dummy coils in a generator is To reduce eddy current losses To amplify voltage To provide mechanical balance for the rotor To enhance flux density To reduce eddy current losses To amplify voltage To provide mechanical balance for the rotor To enhance flux density ANSWER DOWNLOAD EXAMIANS APP