DC Generators The critical resistance of the D.C. generator is the resistance of Field Load Armature Brushes Field Load Armature Brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator of a dc generator acts as An amplifier A load A rectifier None of the listed here An amplifier A load A rectifier None of the listed here 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 580 V 640 V 600 V 620 V 580 V 640 V 600 V 620 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators Brushes of D.C. machines are made of Carbon Hard copper Soft copper All of above Carbon Hard copper Soft copper All of above ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for None of the listed here Series generator only Shunt generator only Both shunt and compound generator None of the listed here Series generator only Shunt generator only Both shunt and compound generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a wave winding, the commutator pitch is approximately equal to Pole pitch Thrice the pole pitch None of the listed here Twice the pole pitch Pole pitch Thrice the pole pitch None of the listed here Twice the pole pitch ANSWER DOWNLOAD EXAMIANS APP