DC Generators The yoke of a dc machine is made of Cast steel Silicon steel Aluminum Soft iron Cast steel Silicon steel Aluminum Soft iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine having 10 poles is rotating at a speed of 10 revolution per second. The number of hysteresis loops formed per second is ______ 150 50 100 10 150 50 100 10 ANSWER DOWNLOAD EXAMIANS APP
DC Generators An exciter for a turbo generator is a Compound generator Separately excited generator Shunt generator Series generator Compound generator Separately excited generator Shunt generator Series generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature copper loss in a dc generator is a Constant loss None of the listed here Variable loss Stray loss Constant loss None of the listed here Variable loss Stray loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The real working part of a dc machine is the ______ Armature winding Commutator None of the listed here Field winding Armature winding Commutator None of the listed here Field winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. More than 20% 15 to 25% 2% to 5% Less than 0.5 % More than 20% 15 to 25% 2% to 5% Less than 0.5 % ANSWER DOWNLOAD EXAMIANS APP