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 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 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of dc machines, mechanical losses are primary function of Current None of the listed here Voltage Speed Current None of the listed here Voltage Speed ANSWER DOWNLOAD EXAMIANS APP
DC Generators As a result of armature reaction, the reduction in the total mutual air gap flux in a D.C. generator is approximately 10 percent 40 percent 25 percent 5 percent 10 percent 40 percent 25 percent 5 percent ANSWER DOWNLOAD EXAMIANS APP
DC Generators ______ dc machine are most common. 4 pole 6 pole 8 pole 2 pole 4 pole 6 pole 8 pole 2 pole ANSWER DOWNLOAD EXAMIANS APP
DC Generators The resistance of armature winding depends on Number of conductors Length of conductor Cross sectional area of the conductor All of the listed here Number of conductors Length of conductor Cross sectional area of the conductor All of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generating machine will offer constant voltage on all loads? Level compounded generator Separately excited generator All of these Self-excited generator Level compounded generator Separately excited generator All of these Self-excited generator ANSWER DOWNLOAD EXAMIANS APP