DC Generators A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave will be of 5 xiVHz will be of 5 Hz will be of v Hz 5 will be zero will be of 5 xiVHz will be of 5 Hz will be of v Hz 5 will be zero ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following will not prevent a self excited shunt generator from building upto its full voltage? Speed too high Open field No residual magnetism Wrong direction of rotation Speed too high Open field No residual magnetism Wrong direction of rotation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Mechanical loss Stray loss Constant loss Iron loss Mechanical loss Stray loss Constant loss Iron loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for None of the listed here Shunt generator only Series generator only Both shunt and compound generator None of the listed here Shunt generator only Series generator only Both shunt and compound generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be 600 V 620 V 640 V 580 V 600 V 620 V 640 V 580 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field structure of a dc machine uses ______ None salient pole arrangements Salient pole arrangements None of the listed here Both salient and non salient pole arrangements None salient pole arrangements Salient pole arrangements None of the listed here Both salient and non salient pole arrangements ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS