DC Generators Stray losses consist of Magnetic and copper losses Mechanical and copper losses Magnetic and mechanical losses None of the listed here Magnetic and copper losses Mechanical and copper losses Magnetic and mechanical losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is ______ winding. A closed circuit An open circuit Partly open circuit and partly closed circuit None of the listed here A closed circuit An open circuit Partly open circuit and partly closed circuit None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator means its None of the listed here Mechanical efficiency Overall efficiency Electrical efficiency None of the listed here Mechanical efficiency Overall efficiency Electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. series generators are running in parallel, an equalizer bar is used To increase the speed and hence generated e.m.f. So that two similar machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both machines To increase the series flux To increase the speed and hence generated e.m.f. So that two similar machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both machines To increase the series flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, the eddy current power loss is Inversely proprtional to thickness of each lamination None of the listed here Directly proportional to sqaure of thickness of each lamination Directly proportional to thickness of each lamination Inversely proprtional to thickness of each lamination None of the listed here Directly proportional to sqaure of thickness of each lamination Directly proportional to thickness of each lamination 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 conductor of annealed copper Using carbon brushes of superior quality Using equalizer rings Using commutator with large number of segments Using conductor of annealed copper Using carbon brushes of superior quality ANSWER DOWNLOAD EXAMIANS APP