DC Generators The effect of armature reaction is to Decrease the total flux Increase the total flux Make the air gap flux uniform None of the listed here Decrease the total flux Increase the total flux Make the air gap flux uniform None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator means its None of the listed here Overall efficiency Mechanical efficiency Electrical efficiency None of the listed here Overall efficiency Mechanical efficiency Electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators Number of tapings for each equalizer ring is equal to Number of parallel paths Number of pole pairs Number of commutator segments Number of poles Number of parallel paths Number of pole pairs Number of commutator segments Number of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole dc machine has _____ magnetic circuits. 4 8 6 2 4 8 6 2 ANSWER DOWNLOAD EXAMIANS APP
DC Generators Dc machines which are subjected to abrupt changes of load are provided with Interpole windings Equalisers Compensating windings Copper brushes Interpole windings Equalisers Compensating windings Copper brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Stray loss Mechanical loss Constant loss Iron loss Stray loss Mechanical loss Constant loss Iron loss ANSWER DOWNLOAD EXAMIANS APP
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