DC Generators When two D.C. series generators are running in parallel, an equalizer bar is used To increase the series flux So that two similar machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both machines To increase the speed and hence generated e.m.f. To increase the series flux So that two similar machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both machines To increase the speed and hence generated e.m.f. 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 increase the generated e.m.f. To reduce the combined effect of armature reaction of both the machines So that the two identical machines will pass approximately equal currents to the load To increase the series flux To increase the generated e.m.f. To reduce the combined effect of armature reaction of both the machines ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Cast-iron Silicon steel Copper Nonferrous material Cast-iron Silicon steel Copper Nonferrous material ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the ripples in the direct e.m.f. generated are reduced by Using equalizer rings Using conductor of annealed copper Using commutator with large number of segments Using carbon brushes of superior quality Using equalizer rings Using conductor of annealed copper Using commutator with large number of segments Using carbon brushes of superior quality 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