DC Generators The armature of dc machine is laminated in order to reduce Eddy current loss Hysteresis loss Frictional loss Copper loss Eddy current loss Hysteresis loss Frictional loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The open circuit voltage of a compound generator is 250 V. At full load the terminal voltage Will always be 250 V None of these Will be less than 250 V May be greater or less than 250 V Will always be 250 V None of these Will be less than 250 V May be greater or less than 250 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators the polarity of the interpoles Is opposite to that of the main pole ahead Is the same as 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 opposite to that of the main pole ahead Is the same as 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. ANSWER DOWNLOAD EXAMIANS APP
DC Generators Inter-pole flux should be sufficient to Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the armature reaction flux None of these Neutralize the commutating self induced e.m.f. Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the armature reaction flux None of these Neutralize the commutating self induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Silicon steel Cast-iron Copper Nonferrous material Silicon steel Cast-iron Copper Nonferrous material ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for Series generator only Both shunt and compound generator None of the listed here Shunt generator only Series generator only Both shunt and compound generator None of the listed here Shunt generator only ANSWER DOWNLOAD EXAMIANS APP