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DC Generators

DC Generators
The brush voltage drop in dc machine is about _______

20 V
0.1 V
10 V
2 V

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DC Generators
For a D.C. machines laboratory following type of D.C. supply will be suitable

Mercury are rectifier
Synchronous motor D.C. generator set
Induction motor D.C. generator set
Rotary converter

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DC Generators
A shunt generator gives its greatest voltage at

No load
None of the listed here
Half full load
Full load

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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

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

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DC Generators
Laminations of core are generally made of

Carbon
Stainless steel
Silicon steel
Case iron

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DC Generators
The armature conductors of a 6 pole, lap wound dc generator are divided into

2 parallel paths
6 parallel paths
3 parallel paths
4 parallel paths

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