DC Generators The field coil of dc generator are usually made of Cast iron Copper Mica Carbon Cast iron Copper Mica Carbon ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a commutator 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 Copper is harder than mica ANSWER DOWNLOAD EXAMIANS APP
DC Generators Open circuited armature coil of a D.C. machine is Both of the listed here Identified by the scarring of the commutator segment to which open circuited coil is connected Indicated by a spark completely around the commutator None of these Both of the listed here Identified by the scarring of the commutator segment to which open circuited coil is connected Indicated by a spark completely around the commutator None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used To increase the series flux To increase the generated e.m.f. 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 series flux To increase the generated e.m.f. 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 ANSWER DOWNLOAD EXAMIANS APP
DC Generators Laminations of core are generally made of Silicon steel Stainless steel Case iron Carbon Silicon steel Stainless steel Case iron Carbon ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of dc machines, mechanical losses are primary function of None of the listed here Voltage Speed Current None of the listed here Voltage Speed Current ANSWER DOWNLOAD EXAMIANS APP
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