DC Generators In a D.C. generator the ripples in the direct e.m.f. generated are reduced by 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 Using conductor of annealed copper Using equalizer rings ANSWER DOWNLOAD EXAMIANS APP
DC Generators Stray losses consist of None of the listed here Mechanical and copper losses Magnetic and copper losses Magnetic and mechanical losses None of the listed here Mechanical and copper losses Magnetic and copper losses Magnetic and mechanical losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators Small dc machines generally have _____ poles. 4 2 6 8 4 2 6 8 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, the eddy current power loss is None of the listed here Directly proportional to thickness of each lamination Directly proportional to sqaure of thickness of each lamination Inversely proprtional to thickness of each lamination None of the listed here Directly proportional to thickness of each lamination Directly proportional to sqaure of thickness of each lamination Inversely proprtional to thickness of each lamination ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Iron loss Stray loss Mechanical loss Constant loss Iron loss Stray loss Mechanical loss Constant loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 10 V 2 V 0.1 V 20 V 10 V 2 V 0.1 V 20 V ANSWER DOWNLOAD EXAMIANS APP
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