DC Generators A separately excited generator as compared to a self-excited generator Has all above features Is amenable to better voltage control Has exciting current independent of load current Is more stable Has all above features Is amenable to better voltage control Has exciting current independent of load current Is more stable 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 % More than 20% 15 to 25% 2% to 5% Less than 0.5 % More than 20% 15 to 25% 2% to 5% ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator of a dc generator acts as None of the listed here A rectifier A load An amplifier None of the listed here A rectifier A load An amplifier ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator is maximum when its variable loss is Equal to double the constant loss None of the listed here Equal to Constant loss Equal to half of constant loss Equal to double the constant loss None of the listed here Equal to Constant loss Equal to half of constant loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine is made of Cast steel Soft iron Silicon steel Aluminum Cast steel Soft iron Silicon steel Aluminum ANSWER DOWNLOAD EXAMIANS APP
DC Generators The current in armature conductors of a dc machine is ______ Pulsating dc Pure dc plus pulsating dc Ac Pure dc Pulsating dc Pure dc plus pulsating dc Ac Pure dc ANSWER DOWNLOAD EXAMIANS APP