DC Generators The open circuit voltage of a compound generator is 250 V. At full load the terminal voltage May be greater or less than 250 V Will always be 250 V None of these Will be less than 250 V May be greater or less than 250 V Will always be 250 V None of these Will be less than 250 V 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 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 In lap winding, the number of brushes is always Two Half the number of poles Same as the number of poles Double the number of poles Two Half the number of poles Same as the number of poles Double the number of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators For a D.C. machines laboratory following type of D.C. supply will be suitable Synchronous motor D.C. generator set Rotary converter Induction motor D.C. generator set Mercury are rectifier Synchronous motor D.C. generator set Rotary converter Induction motor D.C. generator set Mercury are rectifier ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature conductors of a 6 pole, lap wound dc generator are divided into 6 parallel paths 4 parallel paths 3 parallel paths 2 parallel paths 6 parallel paths 4 parallel paths 3 parallel paths 2 parallel paths ANSWER DOWNLOAD EXAMIANS APP
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