DC Generators In D.C. generators on no-load, the air gap flux distribution in space is Flat topped Sinusoidal Pulsating Triangular Flat topped Sinusoidal Pulsating Triangular ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the ripples in the direct e.m.f. generated are reduced by Using commutator with large number of segments Using carbon brushes of superior quality Using conductor of annealed copper Using equalizer rings Using commutator with large number of segments Using carbon brushes of superior quality Using conductor of annealed copper Using equalizer rings ANSWER DOWNLOAD EXAMIANS APP
DC Generators With a D.C. generator which of the following regulation is preferred? Infinite regulation 100% regulation 1% regulation 50% regulation Infinite regulation 100% regulation 1% regulation 50% regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators In dc generator, the constant losses is equal to None of the listed here Stray losses Mechanical losses Stray losses plus shunt cu loss None of the listed here Stray losses Mechanical losses Stray losses plus shunt cu loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a commutator Mica is harder than copper None of the listed here Copper is harder than mica Mica and copper are equally hard Mica is harder than copper None of the listed here Copper is harder than mica Mica and copper are equally hard 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 580 V 620 V 600 V 640 V 580 V 620 V 600 V ANSWER DOWNLOAD EXAMIANS APP