DC Generators In a D.C. generator the ripples in the direct e.m.f. generated are reduced by Using conductor of annealed copper Using equalizer rings Using carbon brushes of superior quality Using commutator with large number of segments Using conductor of annealed copper Using equalizer rings Using carbon brushes of superior quality Using commutator with large number of segments ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. machine stray loss is the sum of Armature copper loss and iron loss Iron loss and mechanical loss Total copper loss and mechanical loss Shunt field copper loss and mechanical loss Armature copper loss and iron loss Iron loss and mechanical loss Total copper loss and mechanical loss Shunt field copper loss and mechanical loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators ______ dc machine are most common. 2 pole 4 pole 6 pole 8 pole 2 pole 4 pole 6 pole 8 pole 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 580 V 600 V 640 V 620 V 580 V 600 V 640 V 620 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator pitch for simplex lap winding is equal to Numbers of poles in the machine 1 None of the listed here Number of pairs of poles Numbers of poles in the machine 1 None of the listed here Number of pairs of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Voltage 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 ANSWER DOWNLOAD EXAMIANS APP
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