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

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

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

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

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DGVCL Exam Paper (11-12-2011)
The purpose of interpoles in DC machines is to nullify

The reactance voltage
Both the cross-magnetizing mmf and the reactance voltage
The demagnetizing effect of armature mmf
The cross-magnetizing effect of armature mmf

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