DC Generators A separately excited generator as compared to a self-excited generator Is more stable Is amenable to better voltage control Has exciting current independent of load current Has all above features Is more stable Is amenable to better voltage control Has exciting current independent of load current Has all above features ANSWER DOWNLOAD EXAMIANS APP
DC Generators The nature of armature winding of a dc machine is decided by Commutator pitch None of the listed here Back pitch Front pitch Commutator pitch None of the listed here Back pitch Front pitch ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a cummulative compounded generator the shunt and series fields ______ each other. None of the listed here Sometime aid, sometime oppose Aid Oppose None of the listed here Sometime aid, sometime oppose Aid Oppose ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator Is similar for all types of generators None of the listed here May be same or different Is different for different generators Is similar for all types of generators None of the listed here May be same or different Is different for different generators ANSWER DOWNLOAD EXAMIANS APP
DC Generators To avoid formation of grooves in the commutator of a D.C. machine The brushes of same polarity should track each other Brush position has no effect on the commutator grooving All of these The brushes of opposite polarity should track each other The brushes of same polarity should track each other Brush position has no effect on the commutator grooving All of these The brushes of opposite polarity should track each other 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% 2% to 5% More than 20% Less than 0.5 % 15 to 25% 2% to 5% More than 20% Less than 0.5 % ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS