(NETA) InterNational Electrical Testing Association Certified Technicians Practice Test
NETA Insulating Liquids and Gases Testing
What does Dissolved Gas Analysis (DGA) of transformer oil primarily detect?
Select your answer
A
Incipient faults inside the transformer by identifying gases produced by thermal or electrical degradation
B
The moisture content of the transformer oil
C
The dielectric breakdown voltage of the insulating oil
D
The viscosity and interfacial tension of the oil
Hint
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