DC Generators
As a result of armature reaction, the reduction in the total mutual air gap flux in a D.C. generator is approximately

25 percent
5 percent
10 percent
40 percent

ANSWER DOWNLOAD EXAMIANS APP

DC Generators
In a dc generator, the eddy current power loss is

Inversely proprtional to thickness of each lamination
None of the listed here
Directly proportional to thickness of each lamination
Directly proportional to sqaure of thickness of each lamination

ANSWER DOWNLOAD EXAMIANS APP

DC Generators
Lap winding is composed of

Any even number of conductors
That even number which is exact multiple of poles
That even number which is exact multiple of poles + 2
Any odd number of conductors

ANSWER DOWNLOAD EXAMIANS APP