DGVCL Exam Paper (11-12-2011)
If a 5 A fuse is blown frequently in a house lighting circuit, it is required to

Check the load
Insert a fuse of higher current rating
Insert a fuse of higher voltage rating
Reduce the load

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

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

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