DC Generators The armature reaction in a dc generator can be increased by increasing the Field current None of the listed here Data is insufficient Armature current Field current None of the listed here Data is insufficient Armature current ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine is made of Cast steel Aluminum Silicon steel Soft iron Cast steel Aluminum Silicon steel Soft iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Carbon is cheap Contact resistance is decreased Carbon lubricates and polishes the commutator None of the listed here Carbon is cheap Contact resistance is decreased Carbon lubricates and polishes the commutator None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the ripples in the direct e.m.f. generated are reduced by Using equalizer rings Using commutator with large number of segments Using carbon brushes of superior quality Using conductor of annealed copper Using equalizer rings Using commutator with large number of segments Using carbon brushes of superior quality Using conductor of annealed copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators Dc machines which are subjected to abrupt changes of load are provided with Interpole windings Equalisers Copper brushes Compensating windings Interpole windings Equalisers Copper brushes Compensating windings ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Amount of current to be collected Type of winding Speed of armature Voltage Amount of current to be collected Type of winding Speed of armature Voltage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS