DC Generators Brushes of D.C. machines are made of Soft copper Carbon Hard copper All of above Soft copper Carbon Hard copper All of above ANSWER DOWNLOAD EXAMIANS APP
DC Generators The nature of armature winding of a dc machine is decided by Front pitch None of the listed here Commutator pitch Back pitch Front pitch None of the listed here Commutator pitch Back pitch ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a long shunt compound wound generator , the shunt field is connected in parallel with Series combination of armature and series field Series field Armature Parallel combination of armature and series field Series combination of armature and series field Series field Armature Parallel combination of armature and series field ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator Magnetization characteristic = external characteristic Internal characteristic = magnetization characteristic ohmic drop External resistance = internal characteristic armature reaction External characteristic = magnetization characteristic ohmic drop armature reaction Magnetization characteristic = external characteristic Internal characteristic = magnetization characteristic ohmic drop External resistance = internal characteristic armature reaction External characteristic = magnetization characteristic ohmic drop armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Generators In lap winding, the number of brushes is always Half the number of poles Double the number of poles Same as the number of poles Two Half the number of poles Double the number of poles Same as the number of poles Two ANSWER DOWNLOAD EXAMIANS APP
DC Generators Due to armature reaction, the main pole flux of a dc generator is Weakened as well as distorted None of the listed here Weakend only Distorted only Weakened as well as distorted None of the listed here Weakend only Distorted only ANSWER DOWNLOAD EXAMIANS APP