DC Generators Current versus time graph for an ideal commutation is a Hydrobola None of the listed here Parabola Straight line Hydrobola None of the listed here Parabola Straight line ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to All of these Abrasion from dust Rough commutator bars Excessive spring pressure All of these Abrasion from dust Rough commutator bars Excessive spring pressure ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator of a dc generator acts as None of the listed here A load A rectifier An amplifier None of the listed here A load A rectifier An amplifier ANSWER DOWNLOAD EXAMIANS APP
DC Generators The critical resistance of the D.C. generator is the resistance of Field Brushes Load Armature Field Brushes Load Armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for Shunt generator only Both shunt and compound generator None of the listed here Series generator only Shunt generator only Both shunt and compound generator None of the listed here Series generator only ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a commutator Copper is harder than mica Mica and copper are equally hard None of the listed here Mica is harder than copper Copper is harder than mica Mica and copper are equally hard None of the listed here Mica is harder than copper ANSWER DOWNLOAD EXAMIANS APP