DC Generators In a D.C. generator the magnetic neutral axis coincides with the geometrical neutral axis, when The generator runs on designed speed There is no load on the generator The generator runs on full load The generator runs on overload The generator runs on designed speed There is no load on the generator The generator runs on full load The generator runs on overload ANSWER DOWNLOAD EXAMIANS APP
DC Generators A separately excited generator as compared to a self-excited generator Is amenable to better voltage control Has all above features Is more stable Has exciting current independent of load current Is amenable to better voltage control Has all above features Is more stable Has exciting current independent of load current ANSWER DOWNLOAD EXAMIANS APP
DC Generators The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be 640 V 600 V 620 V 580 V 640 V 600 V 620 V 580 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator is also called its_______ characteristic. No load saturation Performance Internal External No load saturation Performance Internal External ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Armature resistance drop Field weakening due to armature reaction and armature Armature reaction Commutation Armature resistance drop Field weakening due to armature reaction and armature Armature reaction Commutation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc generator is laminated to Insulate the core Reduce eddy current loss Reduce the bulk Provide the bulk Insulate the core Reduce eddy current loss Reduce the bulk Provide the bulk ANSWER DOWNLOAD EXAMIANS APP
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