DC Generators The armature core of a D.C. generator is usually made of Nonferrous material Cast-iron Silicon steel Copper Nonferrous material Cast-iron Silicon steel Copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators The bearings used to support the rotor shafts are generally Bush bearings Ball bearings Needle bearings Magnetic bearings Bush bearings Ball bearings Needle bearings Magnetic bearings ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine carries ______ pole flux. Two times the None of the listed here One-half of Three times Two times the None of the listed here One-half of Three times 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 neutral as these poles do not play part in generating e.m.f. Is the same as that of the immediately preceding pole Is opposite to that of the main pole ahead Is the same as 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 immediately preceding pole ANSWER DOWNLOAD EXAMIANS APP
DC Generators In dc generator, the constant losses is equal to Stray losses plus shunt cu loss None of the listed here Mechanical losses Stray losses Stray losses plus shunt cu loss None of the listed here Mechanical losses Stray losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, armature reaction _____ pole tip. Weaknes the flux at the trailing Weaknes the flux at the leading Strengthns the flux at the leading None of the listed here Weaknes the flux at the trailing Weaknes the flux at the leading Strengthns the flux at the leading None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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