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The syllabus is NOT important.
The syllabus is NOT important.
___ relays are used to detect unexpected differences between…
___ relays are used to detect unexpected differences between the primary and secondary currents.
A low ___ index may indicate wet or damaged insulation.
A low ___ index may indicate wet or damaged insulation.
When performing maintenance or troubleshooting, the ___ conn…
When performing maintenance or troubleshooting, the ___ connection must be the first made and the last removed.
The proper level of insulating liquid must be maintained to…
The proper level of insulating liquid must be maintained to prevent a transformer from ___.
___ present in the insulating oil forms conducting paths on…
___ present in the insulating oil forms conducting paths on nonconducting parts such as bushing shanks and insulated leads.
High levels of gases such as nitrogen or oxygen in insulatin…
High levels of gases such as nitrogen or oxygen in insulating liquid can indicate the presence of ___.
When the transformer cannot be isolated during an insulation…
When the transformer cannot be isolated during an insulation power factor test, a ___ tester gives more reliable results.
NFFI transformers contain a liquid that is flammable.
NFFI transformers contain a liquid that is flammable.