DC Generators In a commutator None of the listed here Mica and copper are equally hard Copper is harder than mica Mica is harder than copper None of the listed here Mica and copper are equally hard Copper is harder than mica Mica is harder than copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used 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 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 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The physical size of 100 kW, 2000 rpm generator is _____ that of 10 kW, 200 rpm generator. About the same as None of the listed here Less than More than About the same as None of the listed here Less than More than ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Nonferrous material Copper Cast-iron Silicon steel Nonferrous material Copper Cast-iron Silicon steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc generator is laminated to Reduce the bulk Provide the bulk Insulate the core Reduce eddy current loss Reduce the bulk Provide the bulk Insulate the core Reduce eddy current loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators on no-load, the air gap flux distribution in space is Triangular Sinusoidal Flat topped Pulsating Triangular Sinusoidal Flat topped Pulsating ANSWER DOWNLOAD EXAMIANS APP