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 reduce the combined effect of armature reaction of both the machines To increase the series flux To increase the generated e.m.f. So that the two identical machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both the machines To increase the series flux To increase the generated e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators Due to armature reaction, the main pole flux of a dc generator is Weakened as well as distorted None of the listed here Weakend only Distorted only Weakened as well as distorted None of the listed here Weakend only Distorted only ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to Excessive spring pressure Rough commutator bars Abrasion from dust All of these Excessive spring pressure Rough commutator bars Abrasion from dust All of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest eddy current loss occurs in the _____ of a dc machine. Armature Commutating poles Yoke Field poles Armature Commutating poles Yoke Field poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of D.C. machine winding, number of commutator segments is equal to Number of armature turns Number of armature coil sides Number of armature coils Number of armature conductors Number of armature turns Number of armature coil sides Number of armature coils Number of armature conductors ANSWER DOWNLOAD EXAMIANS APP
DC Generators The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be 640 V 620 V 580 V 600 V 640 V 620 V 580 V 600 V ANSWER DOWNLOAD EXAMIANS APP
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