DC Generators In a four-pole D.C. machine Alternate poles are north and south All the four poles are north poles All the four poles are south poles Two north poles follow two south poles Alternate poles are north and south All the four poles are north poles All the four poles are south poles Two north poles follow two south poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc machine is laminated in order to reduce Copper loss Hysteresis loss Eddy current loss Frictional loss Copper loss Hysteresis loss Eddy current loss Frictional loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator segments are connected to the armature conductors by means of Copper lugs Brazing Resistance wires Insulation pads Copper lugs Brazing Resistance wires Insulation pads ANSWER DOWNLOAD EXAMIANS APP
DC Generators The dc generator that has poorest voltage is Flat compounded generator Over compounded generator Series generator Shunt generator Flat compounded generator Over compounded generator Series generator Shunt generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? Graphite brushes Metal graphite brushes Carbon brushes None of these Graphite brushes Metal graphite brushes Carbon brushes None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators If the value of shunt field resistance of a shunt generator is greater than the critical resistance, the generator will Excite to full voltage Excite to one half of full voltage None of the listed here Fail to excite Excite to full voltage Excite to one half of full voltage None of the listed here Fail to excite ANSWER DOWNLOAD EXAMIANS APP
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