DC Generators In a D.C. generator External characteristic = magnetization characteristic ohmic drop armature reaction Internal characteristic = magnetization characteristic ohmic drop External resistance = internal characteristic armature reaction Magnetization characteristic = external characteristic External characteristic = magnetization characteristic ohmic drop armature reaction Internal characteristic = magnetization characteristic ohmic drop External resistance = internal characteristic armature reaction Magnetization characteristic = external characteristic ANSWER DOWNLOAD EXAMIANS APP
DC Generators With a D.C. generator which of the following regulation is preferred? 1% regulation Infinite regulation 50% regulation 100% regulation 1% regulation Infinite regulation 50% regulation 100% regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators Small dc machines generally have _____ poles. 2 6 8 4 2 6 8 4 ANSWER DOWNLOAD EXAMIANS APP
DC Generators For the same rating, a dc machine has_______ an ac machines. The same weight as More weight than Less weight than None of the listed here The same weight as More weight than Less weight than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc machine, the number of commutator segment is equal to Number of coils None of the listed here Twice the number of poles Numbers of conductors Number of coils None of the listed here Twice the number of poles Numbers of conductors ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest percentage of heat loss in a dc machine is due to ______ Copper loss Frictional loss Eddy current loss Hysteresis loss Copper loss Frictional loss Eddy current loss Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
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