DC Generators The purpose of providing dummy coils in a generator is To amplify voltage To enhance flux density To provide mechanical balance for the rotor To reduce eddy current losses To amplify voltage To enhance flux density To provide mechanical balance for the rotor To reduce eddy current losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generating machine will offer constant voltage on all loads? Separately excited generator Level compounded generator All of these Self-excited generator Separately excited generator Level compounded generator All of these Self-excited generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators A separately excited generator as compared to a self-excited generator Is amenable to better voltage control Has all above features Is more stable Has exciting current independent of load current Is amenable to better voltage control Has all above features Is more stable Has exciting current independent of load current 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 Field weakening due to armature reaction and armature Armature reaction Commutation Armature resistance drop Field weakening due to armature reaction and armature Armature reaction Commutation Armature resistance drop ANSWER DOWNLOAD EXAMIANS APP
DC Generators The nature of armature winding of a dc machine is decided by Commutator pitch Back pitch Front pitch None of the listed here Commutator pitch Back pitch Front pitch None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The real working part of a dc machine is the ______ Armature winding None of the listed here Field winding Commutator Armature winding None of the listed here Field winding Commutator ANSWER DOWNLOAD EXAMIANS APP
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