DC Generators In a four-pole D.C. machine Two north poles follow two south poles All the four poles are north poles Alternate poles are north and south All the four poles are south poles Two north poles follow two south poles All the four poles are north poles Alternate poles are north and south All the four poles are south poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, armature reaction _____ pole tip. Weaknes the flux at the leading Strengthns the flux at the leading Weaknes the flux at the trailing None of the listed here Weaknes the flux at the leading Strengthns the flux at the leading Weaknes the flux at the trailing None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator None of the listed here Is different for different generators Is similar for all types of generators May be same or different None of the listed here Is different for different generators Is similar for all types of generators May be same or different ANSWER DOWNLOAD EXAMIANS APP
DC Generators The main drawback of a dc shunt generator is that Terminal voltage drops considerably Generated voltage is small It is expensive Shunt field circuit has high resistance Terminal voltage drops considerably Generated voltage is small It is expensive Shunt field circuit has high resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature reaction in a dc generator can be increased by increasing the Data is insufficient Field current Armature current None of the listed here Data is insufficient Field current Armature current None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? Metal graphite brushes Graphite brushes Carbon brushes None of these Metal graphite brushes Graphite brushes Carbon brushes None of these ANSWER DOWNLOAD EXAMIANS APP
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