DC Generators In a commutator Mica and copper are equally hard Copper is harder than mica None of the listed here Mica is harder than copper Mica and copper are equally hard Copper is harder than mica None of the listed here Mica is harder than copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Type of winding Voltage Amount of current to be collected Speed of armature Type of winding Voltage Amount of current to be collected Speed of armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators the polarity of the interpoles Is the same as that of the immediately preceding pole 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 opposite to that of the main pole ahead Is the same as that of the immediately preceding pole 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 opposite to that of the main pole ahead ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine is made of Soft iron Silicon steel Aluminum Cast steel Soft iron Silicon steel Aluminum Cast steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by Both (A) and (B) Electromagnets Permanent magnets None of these Both (A) and (B) Electromagnets Permanent magnets None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generator provides approximately constant voltage from no load to full load? Flat compounded Over compounded Series Shunt Flat compounded Over compounded Series Shunt ANSWER DOWNLOAD EXAMIANS APP