DC Generators The insulating material used between the commutator segments is normally Insulating varnish Graphite Paper Mica Insulating varnish Graphite Paper Mica ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a _______ generator vary widely with changes in load current. Flat compounded None of the listed here Series Shunt Flat compounded None of the listed here Series Shunt ANSWER DOWNLOAD EXAMIANS APP
DC Generators To avoid formation of grooves in the commutator of a D.C. machine 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 All of these Brush position has no effect on the commutator grooving The brushes of same polarity should track each other ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 6 pole lap wound generator has 300 conductors, the emf induced per conductor being 5 V. The generated voltage of the generator is _____ 360 V 60 V 250 V 1500 V 360 V 60 V 250 V 1500 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Dummy coils Compensating winding Shifting of axis of brushes Interpoles Dummy coils Compensating winding Shifting of axis of brushes Interpoles ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, armature reaction _____ pole tip. Weaknes the flux at the trailing None of the listed here Strengthns the flux at the leading Weaknes the flux at the leading Weaknes the flux at the trailing None of the listed here Strengthns the flux at the leading Weaknes the flux at the leading ANSWER DOWNLOAD EXAMIANS APP
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