DGVCL Exam Paper (11-12-2011)
The bus bar zone faults are generally

Three phase short ciruits
Double line to ground faults
Single line to ground faults
Phase to phase faults

ANSWER DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
Buchholz relay causes

Tripping for minor faults and alarm for major faults
Alarm for both major and minor faults
Tripping for both major and minor faults
Tripping for major faults and alarm for minor faults

ANSWER DOWNLOAD EXAMIANS APP