DC Generators The commutator of a dc generator acts as A load A rectifier None of the listed here An amplifier A load A rectifier None of the listed here An amplifier ANSWER DOWNLOAD EXAMIANS APP
DC Generators Dc machines which are subjected to abrupt changes of load are provided with Interpole windings Equalisers Copper brushes Compensating windings Interpole windings Equalisers Copper brushes Compensating windings ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 6 pole lap wound generator has 300 conductors, the emf induced per conductor being 5 V. The generated voltage of the generator is _____ 250 V 360 V 60 V 1500 V 250 V 360 V 60 V 1500 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. machine stray loss is the sum of Armature copper loss and iron loss Iron loss and mechanical loss Total copper loss and mechanical loss Shunt field copper loss and mechanical loss Armature copper loss and iron loss Iron loss and mechanical loss Total copper loss and mechanical loss Shunt field copper loss and mechanical loss 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
DC Generators The number of brushes in a commutator depends on Amount of current to be collected Type of winding Voltage Speed of armature Amount of current to be collected Type of winding Voltage Speed of armature ANSWER DOWNLOAD EXAMIANS APP