DC Generators Stray losses consist of Mechanical and copper losses Magnetic and copper losses Magnetic and mechanical losses None of the listed here Mechanical and copper losses Magnetic and copper losses Magnetic and mechanical losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The insulating material used between the commutator segments is normally Paper Mica Insulating varnish Graphite Paper Mica Insulating varnish Graphite ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 2 V 20 V 10 V 0.1 V 2 V 20 V 10 V 0.1 V 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% 2% to 5% Less than 0.5 % 15 to 25% More than 20% 2% to 5% Less than 0.5 % 15 to 25% ANSWER DOWNLOAD EXAMIANS APP
DC Generators To avoid formation of grooves in the commutator of a D.C. machine The brushes of same polarity should track each other The brushes of opposite polarity should track each other Brush position has no effect on the commutator grooving All of these The brushes of same polarity should track each other The brushes of opposite polarity should track each other Brush position has no effect on the commutator grooving All of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators, current to the external circuit from armature is given through Solid connection Commutator None of above Slip rings Solid connection Commutator None of above Slip rings ANSWER DOWNLOAD EXAMIANS APP
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