DC Generators In a cummulative compounded generator the shunt and series fields ______ each other. Aid Sometime aid, sometime oppose Oppose None of the listed here Aid Sometime aid, sometime oppose Oppose None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a lap winding, the number of the brushes required is equal to Commutator pitch None of the listed here Number of poles Number of pairs of poles Commutator pitch None of the listed here Number of poles Number of pairs of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. More than 20% 2% to 5% Less than 0.5 % 15 to 25% More than 20% 2% to 5% Less than 0.5 % 15 to 25% ANSWER DOWNLOAD EXAMIANS APP
DC Generators The insulating material used between the commutator segments is normally Paper Graphite Mica Insulating varnish Paper Graphite Mica Insulating varnish ANSWER DOWNLOAD EXAMIANS APP
DC Generators If the flux per pole of dc generator is halved but its speed is doubled, its generated emf will Be quadrupled Be doubled Be halved Remain the same Be quadrupled Be doubled Be halved Remain the same ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator pitch for simplex lap winding is equal to Numbers of poles in the machine 1 None of the listed here Number of pairs of poles Numbers of poles in the machine 1 None of the listed here Number of pairs of poles ANSWER DOWNLOAD EXAMIANS APP
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