DC Generators To avoid formation of grooves in the commutator of a D.C. machine All of these The brushes of same polarity should track each other Brush position has no effect on the commutator grooving The brushes of opposite polarity should track each other All of these The brushes of same polarity should track each other Brush position has no effect on the commutator grooving The brushes of opposite polarity should track each other ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field coil of dc generator are usually made of Cast iron Carbon Copper Mica Cast iron Carbon Copper Mica ANSWER DOWNLOAD EXAMIANS APP
DC Generators In dc generator, the constant losses is equal to Mechanical losses None of the listed here Stray losses plus shunt cu loss Stray losses Mechanical losses None of the listed here Stray losses plus shunt cu loss Stray losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators The bearings used to support the rotor shafts are generally Magnetic bearings Ball bearings Bush bearings Needle bearings Magnetic bearings Ball bearings Bush bearings Needle bearings ANSWER DOWNLOAD EXAMIANS APP
DC Generators D.C. generator generally preferred for charging automobile batteries is Any of the above Series generator Shunt generator Long shunt compound generator Any of the above Series generator Shunt generator Long shunt compound generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole , lap wound dc shunt generator has an armature winding consisting of 220 turns each of 0.004 Ω. The armature resistance is 0.025 Ω 0.055 Ω 1 Ω 0.5 Ω 0.025 Ω 0.055 Ω 1 Ω 0.5 Ω ANSWER DOWNLOAD EXAMIANS APP
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