DC Generators An 8 pole duplex lap winding will have ______ parallel paths. 16 8 4 32 16 8 4 32 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator is maximum when its variable loss is Equal to double the constant loss None of the listed here Equal to half of constant loss Equal to Constant loss Equal to double the constant loss None of the listed here Equal to half of constant loss Equal to Constant loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by None of these Permanent magnets Electromagnets Both (A) and (B) None of these Permanent magnets Electromagnets Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
DC Generators The resistance of armature winding depends on Length of conductor All of the listed here Cross sectional area of the conductor Number of conductors Length of conductor All of the listed here Cross sectional area of the conductor Number of conductors ANSWER DOWNLOAD EXAMIANS APP
DC Generators To avoid formation of grooves in the commutator of a D.C. machine Brush position has no effect on the commutator grooving The brushes of opposite polarity should track each other All of these The brushes of same polarity should track each other Brush position has no effect on the commutator grooving The brushes of opposite polarity should track each other All of these The brushes of same polarity should track each other 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
EXAMIANS