DC Generators If the value of shunt field resistance of a shunt generator is greater than the critical resistance, the generator will Excite to full voltage None of the listed here Excite to one half of full voltage Fail to excite Excite to full voltage None of the listed here Excite to one half of full voltage Fail to excite ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field coil of dc generator are usually made of Mica Copper Cast iron Carbon Mica Copper Cast iron Carbon ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a short shunt compound wound generator, the shunt field is connected in parallel with Series combination of armature and series field Series field Armature Parallel combination of armature and series field Series combination of armature and series field Series field Armature Parallel combination of armature and series field ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to Abrasion from dust Rough commutator bars All of these Excessive spring pressure Abrasion from dust Rough commutator bars All of these Excessive spring pressure ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest percentage of heat loss in a dc machine is due to ______ Frictional loss Copper loss Eddy current loss Hysteresis loss Frictional loss Copper loss Eddy current loss Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators Dc machines which are subjected to abrupt changes of load are provided with Equalisers Interpole windings Compensating windings Copper brushes Equalisers Interpole windings Compensating windings Copper brushes ANSWER DOWNLOAD EXAMIANS APP