DC Generators Which of the following generator provides approximately constant voltage from no load to full load? Shunt Series Flat compounded Over compounded Shunt Series Flat compounded Over compounded ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Electric field None of the listed here Both electrical and magnetic fields Magnetic field Electric field None of the listed here Both electrical and magnetic fields Magnetic field ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used So that the two identical machines will pass approximately equal currents to the load To increase the series flux To reduce the combined effect of armature reaction of both the machines To increase the generated e.m.f. So that the two identical machines will pass approximately equal currents to the load To increase the series flux To reduce the combined effect of armature reaction of both the machines To increase the generated e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ Magnetic material of high permeability Lap winding Iron commutator High resistance winding material Magnetic material of high permeability Lap winding Iron commutator High resistance winding material ANSWER DOWNLOAD EXAMIANS APP
DC Generators Number of tapings for each equalizer ring is equal to Number of pole pairs Number of commutator segments Number of parallel paths Number of poles Number of pole pairs Number of commutator segments Number of parallel paths Number of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators A shunt generator gives its greatest voltage at None of the listed here Half full load Full load No load None of the listed here Half full load Full load No load ANSWER DOWNLOAD EXAMIANS APP