DC Generators Current versus time graph for an ideal commutation is a Hydrobola Parabola None of the listed here Straight line Hydrobola Parabola None of the listed here Straight line ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Amount of current to be collected Speed of armature Type of winding Voltage Amount of current to be collected Speed of armature Type of winding Voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine having 10 poles is rotating at a speed of 10 revolution per second. The number of hysteresis loops formed per second is ______ 10 100 150 50 10 100 150 50 ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generator provides approximately constant voltage from no load to full load? Shunt Flat compounded Over compounded Series Shunt Flat compounded Over compounded Series ANSWER DOWNLOAD EXAMIANS APP
DC Generators To avoid formation of grooves in the commutator of a D.C. machine All of these The brushes of opposite polarity should track each other The brushes of same polarity should track each other Brush position has no effect on the commutator grooving All of these The brushes of opposite polarity should track each other The brushes of same polarity should track each other Brush position has no effect on the commutator grooving ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator of a dc generator acts as An amplifier A rectifier None of the listed here A load An amplifier A rectifier None of the listed here A load ANSWER DOWNLOAD EXAMIANS APP
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