DC Generators The greatest eddy current loss occurs in the _____ of a dc machine. Field poles Commutating poles Yoke Armature Field poles Commutating poles Yoke Armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Stray loss Constant loss Iron loss Mechanical loss Stray loss Constant loss Iron loss Mechanical loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators An 8 pole duplex lap winding will have ______ parallel paths. 8 32 16 4 8 32 16 4 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 effect of armature reaction is to None of the listed here Decrease the total flux Make the air gap flux uniform Increase the total flux None of the listed here Decrease the total flux Make the air gap flux uniform Increase the total flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators With a D.C. generator which of the following regulation is preferred? 1% regulation 100% regulation Infinite regulation 50% regulation 1% regulation 100% regulation Infinite regulation 50% regulation ANSWER DOWNLOAD EXAMIANS APP