GETCO Exam Paper (30-11-2008)
The voltage regulation of a transformer at full load and 0.8 power factor lagging is 2.5%. The voltage regulation at full load, 0.8 power factor leading will be
Function of breather is to extract moisture from air going into the conservator. it is small container filled with silica gel. silica gel in breather will be blue colour when installed silica gel turn into pink colour when absorb moisture.
EXAMIANS