DC Generators The commutator of a dc generator acts as A load None of the listed here A rectifier An amplifier A load None of the listed here A rectifier An amplifier ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator is maximum when its variable loss is Equal to double the constant loss None of the listed here Equal to half of constant loss Equal to Constant loss Equal to double the constant loss None of the listed here Equal to half of constant loss Equal to Constant loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The effect of armature reaction is to Make the air gap flux uniform Decrease the total flux Increase the total flux None of the listed here Make the air gap flux uniform Decrease the total flux Increase the total flux None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator segments are connected to the armature conductors by means of Insulation pads Resistance wires Copper lugs Brazing Insulation pads Resistance wires Copper lugs Brazing ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 10 V 2 V 20 V 0.1 V 10 V 2 V 20 V 0.1 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? Metal graphite brushes Graphite brushes Carbon brushes None of these Metal graphite brushes Graphite brushes Carbon brushes None of these ANSWER DOWNLOAD EXAMIANS APP