DC Generators Magnetic field in a D.C. generator is produced by Both (A) and (B) None of these Electromagnets Permanent magnets Both (A) and (B) None of these Electromagnets Permanent magnets ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Magnetic field None of the listed here Both electrical and magnetic fields Electric field Magnetic field None of the listed here Both electrical and magnetic fields Electric field ANSWER DOWNLOAD EXAMIANS APP
DC Generators The no load voltage of a generator is 240 V and rated load voltage is 220 V. The voltage regulation of the generator is 11.3% 4.5% 2.8% 9.1% 11.3% 4.5% 2.8% 9.1% ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole dc machine has _____ magnetic circuits. 6 4 2 8 6 4 2 8 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of armature parallel paths in a two-pole D.C. generator having duplex lap winding is 4 6 8 2 4 6 8 2 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The essential condition for parallel operation of two D.C. generators is that they have 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 The same operation r.p.m. Same percentage regulation ANSWER DOWNLOAD EXAMIANS APP
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