DC Generators In a four-pole D.C. machine Alternate poles are north and south All the four poles are south poles All the four poles are north poles Two north poles follow two south poles Alternate poles are north and south All the four poles are south poles All the four poles are north poles Two north poles follow two south poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator means its None of the listed here Overall efficiency Electrical efficiency Mechanical efficiency None of the listed here Overall efficiency Electrical efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators For a D.C. machines laboratory following type of D.C. supply will be suitable Rotary converter Mercury are rectifier Synchronous motor D.C. generator set Induction motor D.C. generator set Rotary converter Mercury are rectifier Synchronous motor D.C. generator set Induction motor D.C. generator set ANSWER DOWNLOAD EXAMIANS APP
DC Generators The effect of armature reaction is to Increase the total flux Decrease the total flux None of the listed here Make the air gap flux uniform Increase the total flux Decrease the total flux None of the listed here Make the air gap flux uniform ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator pitch for simplex lap winding is equal to None of the listed here Number of pairs of poles 1 Numbers of poles in the machine None of the listed here Number of pairs of poles 1 Numbers of poles in the machine 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
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