DC Generators The field structure of a dc machine uses ______ None of the listed here None salient pole arrangements Both salient and non salient pole arrangements Salient pole arrangements None of the listed here None salient pole arrangements Both salient and non salient pole arrangements Salient pole arrangements ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a cummulative compounded generator the shunt and series fields ______ each other. Oppose None of the listed here Aid Sometime aid, sometime oppose Oppose None of the listed here Aid Sometime aid, sometime oppose ANSWER DOWNLOAD EXAMIANS APP
DC Generators If the flux per pole of dc generator is halved but its speed is doubled, its generated emf will Be doubled Remain the same Be halved Be quadrupled Be doubled Remain the same Be halved Be quadrupled ANSWER DOWNLOAD EXAMIANS APP
DC Generators A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave will be zero will be of v Hz 5 will be of 5 xiVHz will be of 5 Hz will be zero will be of v Hz 5 will be of 5 xiVHz will be of 5 Hz ANSWER DOWNLOAD EXAMIANS APP
DC Generators If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be High Zero The same as rated voltage Small High Zero The same as rated voltage Small ANSWER DOWNLOAD EXAMIANS APP
DC Generators In dc generator, the constant losses is equal to Stray losses plus shunt cu loss Mechanical losses Stray losses None of the listed here Stray losses plus shunt cu loss Mechanical losses Stray losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP