DC Generators To avoid formation of grooves in the commutator of a D.C. machine The brushes of same polarity should track each other Brush position has no effect on the commutator grooving All of these The brushes of opposite polarity should track each other The brushes of same polarity should track each other Brush position has no effect on the commutator grooving All of these The brushes of opposite polarity should track each other 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 0.055 Ω 0.025 Ω 0.5 Ω 1 Ω 0.055 Ω 0.025 Ω 0.5 Ω 1 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Generators Stray losses consist of Magnetic and mechanical losses Mechanical and copper losses None of the listed here Magnetic and copper losses Magnetic and mechanical losses Mechanical and copper losses None of the listed here Magnetic and copper losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators The resistance of armature winding depends on Number of conductors Length of conductor Cross sectional area of the conductor All of the listed here Number of conductors Length of conductor Cross sectional area of the conductor All of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Number of tapings for each equalizer ring is equal to Number of pole pairs Number of poles Number of parallel paths Number of commutator segments Number of pole pairs Number of poles Number of parallel paths Number of commutator segments ANSWER DOWNLOAD EXAMIANS APP
DC Generators An 8 pole duplex lap winding will have ______ parallel paths. 4 32 8 16 4 32 8 16 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS