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

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

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

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

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DGVCL Exam Paper (11-12-2011)
A fuse wire should have

Low specific resistance and low melting point
Low specific resistance and high melting point
High specific resistance and low melting point
High specific resistance and high melting point

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