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

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

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DGVCL Exam Paper (11-12-2011)
A Mho relay is a

Directional restrained over current relay
Voltage restrained directional relay
Directional restrained over voltage relay
Voltage controlled over current relay

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