DC Generators In dc generator, the constant losses is equal to Stray losses None of the listed here Stray losses plus shunt cu loss Mechanical losses Stray losses None of the listed here Stray losses plus shunt cu loss Mechanical losses 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 Electric field Both electrical and magnetic fields Magnetic field None of the listed here Electric field Both electrical and magnetic fields 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 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 generated e.m.f. To increase the series flux 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 generated e.m.f. To increase the series flux To reduce the combined effect of armature reaction of both the machines ANSWER DOWNLOAD EXAMIANS APP
DC Generators An exciter for a turbo generator is a Separately excited generator Series generator Compound generator Shunt generator Separately excited generator Series generator Compound generator Shunt generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Voltage Speed of armature Type of winding Amount of current to be collected Voltage Speed of armature Type of winding Amount of current to be collected ANSWER DOWNLOAD EXAMIANS APP