DC Generators Lap winding is composed of Any odd number of conductors Any even number of conductors That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 Any odd number of conductors Any even number of conductors That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 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 current in armature conductors of a dc machine is ______ Pure dc plus pulsating dc Pulsating dc Pure dc Ac Pure dc plus pulsating dc Pulsating dc Pure dc Ac ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a commutator Copper is harder than mica Mica is harder than copper Mica and copper are equally hard None of the listed here Copper is harder than mica Mica is harder than copper Mica and copper are equally hard None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature copper loss in a dc generator is a Stray loss None of the listed here Constant loss Variable loss Stray loss None of the listed here Constant loss Variable loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators Permeance is the reciprocal of Reluctance Ampere turns Resistance Flux density Reluctance Ampere turns Resistance Flux density ANSWER DOWNLOAD EXAMIANS APP