DC Generators The main factor which leads to unstable parallel operation of flat and over compounded generators is unequal speed regulation of their primemovers unequal number of turns in their series field windings unequal series field resistances their rising voltage characteristics unequal speed regulation of their primemovers unequal number of turns in their series field windings unequal series field resistances their rising voltage characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators the polarity of the interpoles Is the same as that of the main pole ahead Is the same as that of the immediately preceding pole Is opposite to that of the main pole ahead Is neutral as these poles do not play part in generating e.m.f. Is the same as that of the main pole ahead Is the same as that of the immediately preceding pole Is opposite to that of the main pole ahead Is neutral as these poles do not play part in generating e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators The essential condition for parallel operation of two D.C. generators is that they have Same kW rating Same percentage regulation The same operation r.p.m. The same drooping voltage characteristics Same kW rating Same percentage regulation The same operation r.p.m. The same drooping voltage characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc machine, the number of commutator segment is equal to Number of coils Numbers of conductors Twice the number of poles None of the listed here Number of coils Numbers of conductors Twice the number of poles None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by Permanent magnets Electromagnets Both (A) and (B) None of these Permanent magnets Electromagnets Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave wound generators provide Less current but more voltage None of the listed here More current and more voltage More current but less voltage Less current but more voltage None of the listed here More current and more voltage More current but less voltage ANSWER DOWNLOAD EXAMIANS APP
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