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 None of these Identified by the scarring of the commutator segment to which open circuited coil is connected Both of the listed here Indicated by a spark completely around the commutator None of these Identified by the scarring of the commutator segment to which open circuited coil is connected ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by Both (A) and (B) Permanent magnets None of these Electromagnets Both (A) and (B) Permanent magnets None of these Electromagnets 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 percentage regulation The same drooping voltage characteristics Same kW rating The same operation r.p.m. Same percentage regulation The same drooping voltage characteristics Same kW rating ANSWER DOWNLOAD EXAMIANS APP
DC Generators The real working part of a dc machine is the ______ Armature winding Field winding Commutator None of the listed here Armature winding Field winding Commutator None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is ______ winding. A closed circuit An open circuit Partly open circuit and partly closed circuit None of the listed here A closed circuit An open circuit Partly open circuit and partly closed circuit None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for Series generator only Shunt generator only None of the listed here Both shunt and compound generator Series generator only Shunt generator only None of the listed here Both shunt and compound generator ANSWER DOWNLOAD EXAMIANS APP
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