DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Armature resistance drop Armature reaction Field weakening due to armature reaction and armature Commutation Armature resistance drop Armature reaction Field weakening due to armature reaction and armature Commutation ANSWER DOWNLOAD EXAMIANS APP
DC Generators Small dc machines generally have _____ poles. 2 6 4 8 2 6 4 8 ANSWER DOWNLOAD EXAMIANS APP
DC Generators Current versus time graph for an ideal commutation is a Straight line Hydrobola Parabola None of the listed here Straight line Hydrobola Parabola None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the critical resistance refers to the resistance of Load Field Armature Brushes Load Field Armature Brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave wound generators provide More current and more voltage More current but less voltage Less current but more voltage None of the listed here More current and more voltage More current but less voltage Less current but more voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. 15 to 25% Less than 0.5 % More than 20% 2% to 5% 15 to 25% Less than 0.5 % More than 20% 2% to 5% ANSWER DOWNLOAD EXAMIANS APP