DC Generators
If a self excited D.C. generator after being installed, fails to build up on its first trial run, the first thing to do is to

reverse the field connections
increase the speed of primemover
increase the field resistance
check armature insulation resistance

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DC Generators
While applying Fleming's right-hand rule to and the direction of induced e.m.f., the thumb points towards

Direction of motion of the conductor if forefinger points in the direction of generated e.m.f.
Direction of flux
Direction of induced e.m.f.
Direction of motion of conductor, if forefinger points along the lines of flux

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

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

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