DC Generators In dc generator, the constant losses is equal to Mechanical losses Stray losses Stray losses plus shunt cu loss None of the listed here Mechanical losses Stray losses Stray losses plus shunt cu loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The resistance of armature winding depends on Cross sectional area of the conductor Length of conductor Number of conductors All of the listed here Cross sectional area of the conductor Length of conductor Number of conductors All of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators, current to the external circuit from armature is given through Commutator Solid connection None of above Slip rings Commutator Solid connection None of above Slip rings ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. series generators are running in parallel, an equalizer bar is used So that two similar machines will pass approximately equal currents to the load To increase the speed and hence generated e.m.f. To reduce the combined effect of armature reaction of both machines To increase the series flux So that two similar machines will pass approximately equal currents to the load To increase the speed and hence generated e.m.f. To reduce the combined effect of armature reaction of both machines To increase the series flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole dc machine has _____ magnetic circuits. 6 2 8 4 6 2 8 4 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? Graphite brushes Metal graphite brushes Carbon brushes None of these Graphite brushes Metal graphite brushes Carbon brushes None of these ANSWER DOWNLOAD EXAMIANS APP