DC Generators The armature winding of a dc machine is ______ winding. An open circuit A closed circuit None of the listed here Partly open circuit and partly closed circuit An open circuit A closed circuit None of the listed here Partly open circuit and partly closed circuit ANSWER DOWNLOAD EXAMIANS APP
DC Generators The no load voltage of a generator is 240 V and rated load voltage is 220 V. The voltage regulation of the generator is 9.1% 4.5% 2.8% 11.3% 9.1% 4.5% 2.8% 11.3% ANSWER DOWNLOAD EXAMIANS APP
DC Generators The essential condition for parallel operation of two D.C. generators is that they have The same operation r.p.m. Same kW rating The same drooping voltage characteristics Same percentage regulation The same operation r.p.m. Same kW rating The same drooping voltage characteristics Same percentage regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generator provides approximately constant voltage from no load to full load? Shunt Series Flat compounded Over compounded Shunt Series Flat compounded Over compounded ANSWER DOWNLOAD EXAMIANS APP
DC Generators Inter-pole flux should be sufficient to Neutralize the commutating self induced e.m.f. Neutralize the armature reaction flux Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil None of these Neutralize the commutating self induced e.m.f. Neutralize the armature reaction flux Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ Iron commutator Magnetic material of high permeability Lap winding High resistance winding material Iron commutator Magnetic material of high permeability Lap winding High resistance winding material ANSWER DOWNLOAD EXAMIANS APP
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