DC Generators In a D.C. machine stray loss is the sum of Iron loss and mechanical loss Total copper loss and mechanical loss Armature copper loss and iron loss Shunt field copper loss and mechanical loss Iron loss and mechanical loss Total copper loss and mechanical loss Armature copper loss and iron loss Shunt field copper loss and mechanical loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is place on the rotor to ______ Reduce armature reaction Facilitate commutation Reduce losses Save iron Reduce armature reaction Facilitate commutation Reduce losses Save iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators The physical size of 100 kW, 2000 rpm generator is _____ that of 10 kW, 200 rpm generator. None of the listed here More than Less than About the same as None of the listed here More than Less than About the same as ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Commutation Armature resistance drop Field weakening due to armature reaction and armature Armature reaction Commutation Armature resistance drop Field weakening due to armature reaction and armature Armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. Less than 0.5 % 15 to 25% 2% to 5% More than 20% Less than 0.5 % 15 to 25% 2% to 5% More than 20% ANSWER DOWNLOAD EXAMIANS APP
DC Generators The real working part of a dc machine is the ______ Commutator None of the listed here Field winding Armature winding Commutator None of the listed here Field winding Armature winding ANSWER DOWNLOAD EXAMIANS APP
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