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 opposite polarity should track each other The brushes of same polarity should track each other All of these Brush position has no effect on the commutator grooving The brushes of opposite polarity should track each other The brushes of same polarity should track each other ANSWER DOWNLOAD EXAMIANS APP
DC Generators Laminations of core are generally made of Case iron Carbon Stainless steel Silicon steel Case iron Carbon Stainless steel Silicon steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator segments are connected to the armature conductors by means of Resistance wires Brazing Insulation pads Copper lugs Resistance wires Brazing Insulation pads Copper lugs ANSWER DOWNLOAD EXAMIANS APP
DC Generators Stray losses consist of Magnetic and copper losses Mechanical and copper losses None of the listed here Magnetic and mechanical losses Magnetic and copper losses Mechanical and copper losses None of the listed here Magnetic and mechanical losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Commutation Field weakening due to armature reaction and armature Armature resistance drop Armature reaction Commutation Field weakening due to armature reaction and armature Armature resistance drop Armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave wound generators provide Less current but more voltage More current and more voltage None of the listed here More current but less voltage Less current but more voltage More current and more voltage None of the listed here More current but less voltage ANSWER DOWNLOAD EXAMIANS APP
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