DC Generators The effect of armature reaction is to Decrease the total flux None of the listed here Increase the total flux Make the air gap flux uniform Decrease the total flux None of the listed here Increase the total flux Make the air gap flux uniform ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc machine, the number of commutator segment is equal to Numbers of conductors None of the listed here Twice the number of poles Number of coils Numbers of conductors None of the listed here Twice the number of poles Number of coils ANSWER DOWNLOAD EXAMIANS APP
DC Generators To avoid formation of grooves in the commutator of a D.C. machine 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 All of these The brushes of same polarity should track each other ANSWER DOWNLOAD EXAMIANS APP
DC Generators With a D.C. generator which of the following regulation is preferred? Infinite regulation 100% regulation 50% regulation 1% regulation Infinite regulation 100% regulation 50% regulation 1% regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators Lap winding is composed of That even number which is exact multiple of poles + 2 Any odd number of conductors That even number which is exact multiple of poles Any even number of conductors That even number which is exact multiple of poles + 2 Any odd number of conductors That even number which is exact multiple of poles Any even number of conductors ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for Shunt generator only None of the listed here Both shunt and compound generator Series generator only Shunt generator only None of the listed here Both shunt and compound generator Series generator only ANSWER DOWNLOAD EXAMIANS APP
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