DC Generators
The number of parallel paths in a simplex lap winding is equal to

2
None of the listed here
Number of pairs of poles
Number of poles

ANSWER DOWNLOAD EXAMIANS APP

DC Generators
Inter-pole flux should be sufficient to

Neutralize the armature reaction flux
Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil
None of these
Neutralize the commutating self induced e.m.f.

ANSWER DOWNLOAD EXAMIANS APP

DC Generators
When two D.C. generators are running in parallel an equalizer bar is used

To increase the generated e.m.f.
To reduce the combined effect of armature reaction of both the machines
So that the two identical machines will pass approximately equal currents to the load
To increase the series flux

ANSWER DOWNLOAD EXAMIANS APP