DC Generators The insulating material used between the commutator segments is normally Mica Paper Graphite Insulating varnish Mica Paper Graphite Insulating varnish 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 5 percent 10 percent 40 percent 25 percent 5 percent 10 percent 40 percent 25 percent ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator is maximum when its variable loss is None of the listed here Equal to double the constant loss Equal to half of constant loss Equal to Constant loss None of the listed here Equal to double the constant loss Equal to half of constant loss Equal to Constant loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc machine, the number of commutator segment is equal to Numbers of conductors None of the listed here Number of coils Twice the number of poles Numbers of conductors None of the listed here Number of coils Twice the number of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators For the same rating, a dc machine has_______ an ac machines. Less weight than The same weight as More weight than None of the listed here Less weight than The same weight as More weight than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used So that the two identical machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both the machines To increase the generated e.m.f. To increase the series flux So that the two identical machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both the machines To increase the generated e.m.f. To increase the series flux ANSWER DOWNLOAD EXAMIANS APP
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