DC Generators The armature core of a D.C. generator is usually made of Nonferrous material Silicon steel Copper Cast-iron Nonferrous material Silicon steel Copper Cast-iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 6 pole lap wound generator has 300 conductors, the emf induced per conductor being 5 V. The generated voltage of the generator is _____ 1500 V 60 V 250 V 360 V 1500 V 60 V 250 V 360 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest eddy current loss occurs in the _____ of a dc machine. Field poles Commutating poles Yoke Armature Field poles Commutating poles Yoke Armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators In lap winding, the number of brushes is always Two Same as the number of poles Double the number of poles Half the number of poles Two Same as the number of poles Double the number of poles Half the number of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators Brushes of D.C. machines are made of All of above Hard copper Carbon Soft copper All of above Hard copper Carbon Soft copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. 2% to 5% 15 to 25% More than 20% Less than 0.5 % 2% to 5% 15 to 25% More than 20% Less than 0.5 % ANSWER DOWNLOAD EXAMIANS APP