DC Generators The yoke of a dc machine carries ______ pole flux. Two times the None of the listed here One-half of Three times Two times the None of the listed here One-half of Three times ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Copper Cast-iron Nonferrous material Silicon steel Copper Cast-iron Nonferrous material Silicon steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators Inter-pole flux should be sufficient to Neutralize the armature reaction flux Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil None of these Neutralize the commutating self induced e.m.f. Neutralize the armature reaction flux Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil None of these Neutralize the commutating self induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a wave winding, the commutator pitch is approximately equal to Pole pitch Thrice the pole pitch Twice the pole pitch None of the listed here Pole pitch Thrice the pole pitch Twice the pole pitch None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Brushes of D.C. machines are made of Soft copper All of above Carbon Hard copper Soft copper All of above Carbon Hard copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? Carbon brushes None of these Graphite brushes Metal graphite brushes Carbon brushes None of these Graphite brushes Metal graphite brushes ANSWER DOWNLOAD EXAMIANS APP