DC Generators The field coil of dc generator are usually made of Cast iron Mica Carbon Copper Cast iron Mica Carbon Copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a commutator Mica and copper are equally hard Mica is harder than copper Copper is harder than mica None of the listed here Mica and copper are equally hard Mica is harder than copper Copper is harder than mica None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, armature reaction _____ pole tip. Weaknes the flux at the trailing Strengthns the flux at the leading Weaknes the flux at the leading None of the listed here Weaknes the flux at the trailing Strengthns the flux at the leading Weaknes the flux at the leading None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for Series generator only None of the listed here Both shunt and compound generator Shunt generator only Series generator only None of the listed here Both shunt and compound generator Shunt generator only 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 overall efficiency of a dc generator is maximum when its variable loss is equal to Stray loss Constant loss Iron loss Mechanical loss Stray loss Constant loss Iron loss Mechanical loss ANSWER DOWNLOAD EXAMIANS APP
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