DC Generators In a cummulative compounded generator the shunt and series fields ______ each other. Oppose Sometime aid, sometime oppose Aid None of the listed here Oppose Sometime aid, sometime oppose Aid None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the critical resistance refers to the resistance of Field Brushes Armature Load Field Brushes Armature Load ANSWER DOWNLOAD EXAMIANS APP
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 commutator with large number of segments Using equalizer rings Using carbon brushes of superior quality Using conductor of annealed copper Using commutator with large number of segments Using equalizer rings Using carbon brushes of superior quality ANSWER DOWNLOAD EXAMIANS APP
DC Generators High voltage dc machine use _____ winding. Wave None of the listed here Either lap or wave Lap Wave None of the listed here Either lap or wave Lap ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. series generators are running in parallel, an equalizer bar is used To reduce the combined effect of armature reaction of both machines So that two similar machines will pass approximately equal currents to the load To increase the series flux To increase the speed and hence generated e.m.f. To reduce the combined effect of armature reaction of both machines So that two similar machines will pass approximately equal currents to the load To increase the series flux To increase the speed and hence generated e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators Brushes of D.C. machines are made of Carbon All of above Soft copper Hard copper Carbon All of above Soft copper Hard copper ANSWER DOWNLOAD EXAMIANS APP