DC Generators The armature of a dc machine is made of ______ Soft iron Silocon steel Wrought iron Cast steel Soft iron Silocon steel Wrought iron Cast steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a _______ generator vary widely with changes in load current. Shunt Flat compounded None of the listed here Series Shunt Flat compounded None of the listed here Series ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following components of a D.C, generator plays vital role for providing direct current of a D.C. generator? Dummy coils Eye bolt Commutator Equalizer rings Dummy coils Eye bolt Commutator Equalizer rings ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators, current to the external circuit from armature is given through Slip rings Commutator Solid connection None of above Slip rings Commutator Solid connection None of above 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 reduce the combined effect of armature reaction of both the machines To increase the series flux So that the two identical machines will pass approximately equal currents to the load To increase the generated e.m.f. To reduce the combined effect of armature reaction of both the machines To increase the series flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ 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 Electric field ANSWER DOWNLOAD EXAMIANS APP