DC Generators To avoid formation of grooves in the commutator of a D.C. machine All of these Brush position has no effect on the commutator grooving The brushes of same polarity should track each other The brushes of opposite polarity should track each other All of these Brush position has no effect on the commutator grooving The brushes of same polarity should track each other The brushes of opposite polarity should track each other ANSWER DOWNLOAD EXAMIANS APP
DC Generators An 8 pole, 250 V, wave wound generator has 400 conductors. If the generator is to be lap wound, the number of conductors required is ______ 800 1600 3200 100 800 1600 3200 100 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators on no-load, the air gap flux distribution in space is Sinusoidal Pulsating Flat topped Triangular Sinusoidal Pulsating Flat topped Triangular ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. More than 20% Less than 0.5 % 2% to 5% 15 to 25% More than 20% Less than 0.5 % 2% to 5% 15 to 25% 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
DC Generators The commutator of a dc generator acts as None of the listed here A load An amplifier A rectifier None of the listed here A load An amplifier A rectifier ANSWER DOWNLOAD EXAMIANS APP
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