DC Generators In a cummulative compounded generator the shunt and series fields ______ each other. Oppose Aid None of the listed here Sometime aid, sometime oppose Oppose Aid None of the listed here Sometime aid, sometime oppose ANSWER DOWNLOAD EXAMIANS APP
DC Generators Open circuited armature coil of a D.C. machine is Both of the listed here Indicated by a spark completely around the commutator Identified by the scarring of the commutator segment to which open circuited coil is connected None of these Both of the listed here Indicated by a spark completely around the commutator Identified by the scarring of the commutator segment to which open circuited coil is connected None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole dc machine has _____ magnetic circuits. 8 2 4 6 8 2 4 6 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The essential condition for parallel operation of two D.C. generators is that they have The same operation r.p.m. Same kW rating The same drooping voltage characteristics Same percentage regulation The same operation r.p.m. Same kW rating The same drooping voltage characteristics Same percentage regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of dc machines, mechanical losses are primary function of None of the listed here Voltage Speed Current None of the listed here Voltage Speed Current ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a wave winding, the commutator pitch is approximately equal to None of the listed here Thrice the pole pitch Twice the pole pitch Pole pitch None of the listed here Thrice the pole pitch Twice the pole pitch Pole pitch ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS