DC Generators Which of the following could be lamina proximately the thickness of laminations of a D.C. machine? 0.5 m 0.05 mm 0.005 mm 5 m 0.5 m 0.05 mm 0.005 mm 5 m ANSWER DOWNLOAD EXAMIANS APP
DC Generators A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave will be of 5 Hz will be zero will be of 5 xiVHz will be of v Hz 5 will be of 5 Hz will be zero will be of 5 xiVHz will be of v Hz 5 ANSWER DOWNLOAD EXAMIANS APP
DC Generators Current versus time graph for an ideal commutation is a None of the listed here Parabola Straight line Hydrobola None of the listed here Parabola Straight line Hydrobola ANSWER DOWNLOAD EXAMIANS APP
DC Generators The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be 620 V 600 V 580 V 640 V 620 V 600 V 580 V 640 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? Carbon brushes Metal graphite brushes Graphite brushes None of these Carbon brushes Metal graphite brushes Graphite brushes None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators Open circuited armature coil of a D.C. machine is Identified by the scarring of the commutator segment to which open circuited coil is connected Both of the listed here None of these Indicated by a spark completely around the commutator Identified by the scarring of the commutator segment to which open circuited coil is connected Both of the listed here None of these Indicated by a spark completely around the commutator ANSWER DOWNLOAD EXAMIANS APP
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